diff --git a/data/xml/queries.xml b/data/xml/queries.xml
index ff324ba83..97b6fb3fa 100644
--- a/data/xml/queries.xml
+++ b/data/xml/queries.xml
@@ -1457,4 +1457,64 @@
             <blind query="SELECT DISTINCT(owner_name) FROM db_attribute JOIN db_class ON db_attribute.class_name=db_class.class_name WHERE %s" query2="SELECT DISTINCT(db_class.class_name) FROM db_attribute JOIN db_class ON db_attribute.class_name=db_class.class_name WHERE owner_name='%s'" count="SELECT COUNT(DISTINCT(owner_name)) FROM db_attribute JOIN db_class ON db_attribute.class_name=db_class.class_name WHERE %s" count2="SELECT COUNT(DISTINCT(db_class.class_name)) FROM db_attribute JOIN db_class ON db_attribute.class_name=db_class.class_name WHERE owner_name='%s'" condition="attr_name" condition2="owner_name" condition3="db_class.class_name"/>
         </search_column>
     </dbms>
+
+    <dbms value="InterSystems Cache">
+        <cast query="CAST(%s AS NVARCHAR(4000))"/>
+        <length query="CHAR_LENGTH(%s)"/>
+        <isnull query="COALESCE(%s,' ')"/>
+        <delimiter query="||"/>
+        <limit query="SELECT TOP %d %s FROM (%s) WHERE %%VID>%d"/>
+        <limitregexp query="TOP\s+(\d+)\s+.+?\s+FROM\s+.+?\s+WHERE\s+.+%%VID>(\d+)"/>
+        <limitgroupstart query="2"/>
+        <limitgroupstop query="1"/>
+        <limitstring/>
+        <order query="ORDER BY %s ASC"/>
+        <count query="COUNT(%s)"/>
+        <comment query="--" query2=";"/>
+        <substring query="SUBSTR((%s),%d,%d)"/>
+        <concatenate query="%s||%s"/>
+        <case query="SELECT (CASE WHEN (%s) THEN 1 ELSE 0 END)"/>
+        <inference query="ASCII(SUBSTR((%s),%d,1))>%d"/>
+        <banner query="$ZVERSION"/>
+        <current_user query="$USERNAME"/>
+        <current_db/>
+        <hostname/>
+        <table_comment/>
+        <column_comment/>
+        <is_dba query="$USERNAME='_SYSTEM'"/>
+        <check_udf/>
+        <users/>
+        <passwords/>
+        <privileges/>
+        <roles/>
+        <statements/>
+        <dbs>
+            <inband query="SELECT schema_name FROM INFORMATION_SCHEMA.SCHEMATA" query2="SELECT db FROM mysql.db"/>
+            <blind query="SELECT TOP 1 schema_name FROM (SELECT TOP ALL schema_name FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY schema_name) WHERE %%VID=%d" count="SELECT COUNT(DISTINCT(schema_name)) FROM INFORMATION_SCHEMA.SCHEMATA"/>
+        </dbs>
+        <tables>
+            <inband query="SELECT table_schema,table_name FROM INFORMATION_SCHEMA.TABLES" condition="table_schema"/>
+            <blind query="SELECT TOP 1 table_name FROM (SELECT TOP ALL table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='%s' ORDER BY table_name) WHERE %%VID=%d" count="SELECT COUNT(table_name) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='%s'"/>
+        </tables>
+        <columns>
+            <inband query="SELECT column_name,data_type FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='%s' AND table_schema='%s'" condition="column_name"/>
+            <blind query="SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='%s' AND table_schema='%s' ORDER BY column_name" query2="SELECT data_type FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='%s' AND column_name='%s' AND table_schema='%s'" count="SELECT COUNT(column_name) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='%s' AND table_schema='%s'" condition="column_name"/>
+        </columns>
+        <dump_table>
+            <inband query="SELECT %s FROM %s.%s ORDER BY %s"/>
+            <blind query="SELECT TOP 1 %s FROM (SELECT TOP ALL * FROM %s.%s ORDER BY %s) WHERE %%VID=%d" count="SELECT COUNT(*) FROM %s.%s"/>
+        </dump_table>
+        <search_db>
+            <inband query="SELECT schema_name FROM INFORMATION_SCHEMA.SCHEMATA WHERE %s" query2="SELECT db FROM mysql.db WHERE %s" condition="schema_name" condition2="db"/>
+            <blind query="SELECT DISTINCT(schema_name) FROM INFORMATION_SCHEMA.SCHEMATA WHERE %s" query2="SELECT DISTINCT(db) FROM mysql.db WHERE %s" count="SELECT COUNT(DISTINCT(schema_name)) FROM INFORMATION_SCHEMA.SCHEMATA WHERE %s" count2="SELECT COUNT(DISTINCT(db)) FROM mysql.db WHERE %s" condition="schema_name" condition2="db"/>
+        </search_db>
+        <search_table>
+            <inband query="SELECT table_schema,table_name FROM INFORMATION_SCHEMA.TABLES WHERE %s" condition="table_name" condition2="table_schema"/>
+            <blind query="SELECT DISTINCT(table_schema) FROM INFORMATION_SCHEMA.TABLES WHERE %s" query2="SELECT DISTINCT(table_name) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='%s'" count="SELECT COUNT(DISTINCT(table_schema)) FROM INFORMATION_SCHEMA.TABLES WHERE %s" count2="SELECT COUNT(DISTINCT(table_name)) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='%s'" condition="table_name" condition2="table_schema"/>
+        </search_table>
+        <search_column>
+            <inband query="SELECT table_schema,table_name FROM INFORMATION_SCHEMA.COLUMNS WHERE %s" condition="column_name" condition2="table_schema" condition3="table_name"/>
+            <blind query="SELECT DISTINCT(table_schema) FROM INFORMATION_SCHEMA.COLUMNS WHERE %s" query2="SELECT DISTINCT(table_name) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema='%s'" count="SELECT COUNT(DISTINCT(table_schema)) FROM INFORMATION_SCHEMA.COLUMNS WHERE %s" count2="SELECT COUNT(DISTINCT(table_name)) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema='%s'" condition="column_name" condition2="table_schema" condition3="table_name"/>
+        </search_column>
+    </dbms>
 </root>
diff --git a/lib/controller/handler.py b/lib/controller/handler.py
index 97f87c407..0cf250f92 100644
--- a/lib/controller/handler.py
+++ b/lib/controller/handler.py
@@ -13,6 +13,7 @@ from lib.core.enums import DBMS
 from lib.core.exception import SqlmapConnectionException
 from lib.core.settings import ACCESS_ALIASES
 from lib.core.settings import ALTIBASE_ALIASES
+from lib.core.settings import CACHE_ALIASES
 from lib.core.settings import CRATEDB_ALIASES
 from lib.core.settings import CUBRID_ALIASES
 from lib.core.settings import DB2_ALIASES
@@ -39,6 +40,8 @@ from plugins.dbms.access.connector import Connector as AccessConn
 from plugins.dbms.access import AccessMap
 from plugins.dbms.altibase.connector import Connector as AltibaseConn
 from plugins.dbms.altibase import AltibaseMap
+from plugins.dbms.cache.connector import Connector as CacheConn
+from plugins.dbms.cache import CacheMap
 from plugins.dbms.cratedb.connector import Connector as CrateDBConn
 from plugins.dbms.cratedb import CrateDBMap
 from plugins.dbms.cubrid.connector import Connector as CubridConn
@@ -109,6 +112,7 @@ def setHandler():
         (DBMS.MIMERSQL, MIMERSQL_ALIASES, MimerSQLMap, MimerSQLConn),
         (DBMS.CRATEDB, CRATEDB_ALIASES, CrateDBMap, CrateDBConn),
         (DBMS.CUBRID, CUBRID_ALIASES, CubridMap, CubridConn),
+        (DBMS.CACHE, CACHE_ALIASES, CacheMap, CacheConn),
     ]
 
     _ = max(_ if (conf.get("dbms") or Backend.getIdentifiedDbms() or kb.heuristicExtendedDbms or "").lower() in _[1] else () for _ in items)
diff --git a/lib/core/agent.py b/lib/core/agent.py
index 51f79017e..c1c3d19f0 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -660,7 +660,7 @@ class Agent(object):
             elif fieldsNoSelect:
                 concatenatedQuery = "CONCAT('%s',%s,'%s')" % (kb.chars.start, concatenatedQuery, kb.chars.stop)
 
-        elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.ORACLE, DBMS.SQLITE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.ALTIBASE, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CUBRID):
+        elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.ORACLE, DBMS.SQLITE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.ALTIBASE, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CUBRID, DBMS.CACHE):
             if fieldsExists:
                 concatenatedQuery = concatenatedQuery.replace("SELECT ", "'%s'||" % kb.chars.start, 1)
                 concatenatedQuery += "||'%s'" % kb.chars.stop
@@ -1011,6 +1011,15 @@ class Agent(object):
                 if match:
                     orderBy = " ORDER BY %s" % match.group(1)
 
+        elif Backend.isDbms(DBMS.CACHE):
+            match = re.search(r"ORDER BY ([^ ]+)\Z", limitedQuery)
+            if match:
+                limitedQuery = re.sub(r"\s*%s\s*" % re.escape(match.group(0)), " ", limitedQuery).strip()
+                orderBy = " %s" % match.group(0)
+                field = match.group(1)
+
+            limitedQuery = queries[Backend.getIdentifiedDbms()].limit.query % (1, field, limitedQuery, num)
+
         elif Backend.isDbms(DBMS.FIREBIRD):
             limitStr = queries[Backend.getIdentifiedDbms()].limit.query % (num + 1, num + 1)
             limitedQuery += " %s" % limitStr
diff --git a/lib/core/common.py b/lib/core/common.py
index ca9b9f51b..7956a1309 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -4091,7 +4091,7 @@ def safeSQLIdentificatorNaming(name, isTable=False):
 
             if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.ACCESS, DBMS.CUBRID, DBMS.SQLITE):  # Note: in SQLite double-quotes are treated as string if column/identifier is non-existent (e.g. SELECT "foobar" FROM users)
                 retVal = "`%s`" % retVal
-            elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2, DBMS.HSQLDB, DBMS.H2, DBMS.INFORMIX, DBMS.MONETDB, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.CRATEDB):
+            elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2, DBMS.HSQLDB, DBMS.H2, DBMS.INFORMIX, DBMS.MONETDB, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CACHE):
                 retVal = "\"%s\"" % retVal
             elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.ALTIBASE, DBMS.MIMERSQL):
                 retVal = "\"%s\"" % retVal.upper()
@@ -4129,7 +4129,7 @@ def unsafeSQLIdentificatorNaming(name):
     if isinstance(name, six.string_types):
         if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.ACCESS, DBMS.CUBRID, DBMS.SQLITE):
             retVal = name.replace("`", "")
-        elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2, DBMS.HSQLDB, DBMS.H2, DBMS.INFORMIX, DBMS.MONETDB, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.CRATEDB):
+        elif Backend.getIdentifiedDbms() in (DBMS.PGSQL, DBMS.DB2, DBMS.HSQLDB, DBMS.H2, DBMS.INFORMIX, DBMS.MONETDB, DBMS.VERTICA, DBMS.MCKOI, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CACHE):
             retVal = name.replace("\"", "")
         elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.ALTIBASE, DBMS.MIMERSQL):
             retVal = name.replace("\"", "").upper()
diff --git a/lib/core/dicts.py b/lib/core/dicts.py
index 57c6b9bca..27e58c527 100644
--- a/lib/core/dicts.py
+++ b/lib/core/dicts.py
@@ -12,6 +12,7 @@ from lib.core.enums import POST_HINT
 from lib.core.settings import ACCESS_ALIASES
 from lib.core.settings import ALTIBASE_ALIASES
 from lib.core.settings import BLANK
+from lib.core.settings import CACHE_ALIASES
 from lib.core.settings import CRATEDB_ALIASES
 from lib.core.settings import CUBRID_ALIASES
 from lib.core.settings import DB2_ALIASES
@@ -123,9 +124,7 @@ ALTIBASE_TYPES = {
     -8: "NCHAR",
     -9: "NVARCHAR",
     2: "NUMERIC",
-    2: "DECIMAL",
     6: "FLOAT",
-    6: "NUMBER",
     8: "DOUBLE",
     7: "REAL",
     -5: "BIGINT",
@@ -240,6 +239,7 @@ DBMS_DICT = {
     DBMS.MIMERSQL: (MIMERSQL_ALIASES, "mimerpy", "https://github.com/mimersql/MimerPy", None),
     DBMS.CRATEDB: (CRATEDB_ALIASES, "python-psycopg2", "http://initd.org/psycopg/", "postgresql"),
     DBMS.CUBRID: (CUBRID_ALIASES, "CUBRID-Python", "https://github.com/CUBRID/cubrid-python", None),
+    DBMS.CACHE: (CACHE_ALIASES, "python jaydebeapi & python-jpype", "https://pypi.python.org/pypi/JayDeBeApi/ & http://jpype.sourceforge.net/", None),
 }
 
 # Reference: https://blog.jooq.org/tag/sysibm-sysdummy1/
@@ -273,6 +273,7 @@ HEURISTIC_NULL_EVAL = {
     DBMS.MIMERSQL: "ASCII_CHAR(256)",
     DBMS.CRATEDB: "MD5(NULL~NULL)",  # Note: NULL~NULL also being evaluated on H2 and Ignite
     DBMS.CUBRID: "(NULL SETEQ NULL)",
+    DBMS.CACHE: "%SQLUPPER NULL",
 }
 
 SQL_STATEMENTS = {
diff --git a/lib/core/dump.py b/lib/core/dump.py
index 4a6680be5..ebc36a384 100644
--- a/lib/core/dump.py
+++ b/lib/core/dump.py
@@ -164,7 +164,7 @@ class Dump(object):
         self.string("current user", data, content_type=CONTENT_TYPE.CURRENT_USER)
 
     def currentDb(self, data):
-        if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.CRATEDB):
+        if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.CRATEDB, DBMS.CACHE):
             self.string("current database (equivalent to schema on %s)" % Backend.getIdentifiedDbms(), data, content_type=CONTENT_TYPE.CURRENT_DB)
         elif Backend.getIdentifiedDbms() in (DBMS.ALTIBASE, DBMS.DB2, DBMS.MIMERSQL, DBMS.MAXDB):
             self.string("current database (equivalent to owner on %s)" % Backend.getIdentifiedDbms(), data, content_type=CONTENT_TYPE.CURRENT_DB)
diff --git a/lib/core/enums.py b/lib/core/enums.py
index 45e96c263..f110b6033 100644
--- a/lib/core/enums.py
+++ b/lib/core/enums.py
@@ -54,6 +54,7 @@ class DBMS(object):
     MIMERSQL = "MimerSQL"
     CRATEDB = "CrateDB"
     CUBRID = "Cubrid"
+    CACHE = "InterSystems Cache"
 
 class DBMS_DIRECTORY_NAME(object):
     ACCESS = "access"
@@ -78,6 +79,7 @@ class DBMS_DIRECTORY_NAME(object):
     MIMERSQL = "mimersql"
     CRATEDB = "cratedb"
     CUBRID = "cubrid"
+    CACHE = "cache"
 
 class FORK(object):
     MARIADB = "MariaDB"
@@ -91,6 +93,8 @@ class FORK(object):
     IGNITE = "Apache Ignite"
     AURORA = "Aurora"
     ENTERPRISEDB = "EnterpriseDB"
+    YELLOWBRICK = "Yellowbrick"
+    IRIS = "Iris"
 
 class CUSTOM_LOGGING(object):
     PAYLOAD = 9
diff --git a/lib/core/settings.py b/lib/core/settings.py
index e2ffc51cb..97c6721d6 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.4.2.38"
+VERSION = "1.4.2.39"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
@@ -268,11 +268,12 @@ ALTIBASE_SYSTEM_DBS = ("SYSTEM_",)
 MIMERSQL_SYSTEM_DBS = ("information_schema", "SYSTEM",)
 CRATEDB_SYSTEM_DBS = ("information_schema", "pg_catalog", "sys")
 CUBRID_SYSTEM_DBS = ("DBA",)
+CACHE_SYSTEM_DBS = ("%Dictionary", "INFORMATION_SCHEMA", "%SYS")
 
 # Note: (<regular>) + (<forks>)
 MSSQL_ALIASES = ("microsoft sql server", "mssqlserver", "mssql", "ms")
 MYSQL_ALIASES = ("mysql", "my") + ("mariadb", "maria", "memsql", "tidb", "percona")
-PGSQL_ALIASES = ("postgresql", "postgres", "pgsql", "psql", "pg") + ("cockroach", "cockroachdb")
+PGSQL_ALIASES = ("postgresql", "postgres", "pgsql", "psql", "pg") + ("cockroach", "cockroachdb", "redshift", "greenplum", "yellowbrick", "enterprisedb", "aurora")
 ORACLE_ALIASES = ("oracle", "orcl", "ora", "or")
 SQLITE_ALIASES = ("sqlite", "sqlite3")
 ACCESS_ALIASES = ("msaccess", "access", "jet", "microsoft access")
@@ -292,13 +293,14 @@ ALTIBASE_ALIASES = ("altibase",)
 MIMERSQL_ALIASES = ("mimersql", "mimer")
 CRATEDB_ALIASES = ("cratedb", "crate")
 CUBRID_ALIASES = ("cubrid",)
+CACHE_ALIASES = ("cachedb", "cache")
 
 DBMS_DIRECTORY_DICT = dict((getattr(DBMS, _), getattr(DBMS_DIRECTORY_NAME, _)) for _ in dir(DBMS) if not _.startswith("_"))
 
-SUPPORTED_DBMS = MSSQL_ALIASES + MYSQL_ALIASES + PGSQL_ALIASES + ORACLE_ALIASES + SQLITE_ALIASES + ACCESS_ALIASES + FIREBIRD_ALIASES + MAXDB_ALIASES + SYBASE_ALIASES + DB2_ALIASES + HSQLDB_ALIASES + H2_ALIASES + INFORMIX_ALIASES + MONETDB_ALIASES + DERBY_ALIASES + VERTICA_ALIASES + MCKOI_ALIASES + PRESTO_ALIASES + ALTIBASE_ALIASES + MIMERSQL_ALIASES + CRATEDB_ALIASES + CUBRID_ALIASES
+SUPPORTED_DBMS = MSSQL_ALIASES + MYSQL_ALIASES + PGSQL_ALIASES + ORACLE_ALIASES + SQLITE_ALIASES + ACCESS_ALIASES + FIREBIRD_ALIASES + MAXDB_ALIASES + SYBASE_ALIASES + DB2_ALIASES + HSQLDB_ALIASES + H2_ALIASES + INFORMIX_ALIASES + MONETDB_ALIASES + DERBY_ALIASES + VERTICA_ALIASES + MCKOI_ALIASES + PRESTO_ALIASES + ALTIBASE_ALIASES + MIMERSQL_ALIASES + CRATEDB_ALIASES + CUBRID_ALIASES + CACHE_ALIASES
 SUPPORTED_OS = ("linux", "windows")
 
-DBMS_ALIASES = ((DBMS.MSSQL, MSSQL_ALIASES), (DBMS.MYSQL, MYSQL_ALIASES), (DBMS.PGSQL, PGSQL_ALIASES), (DBMS.ORACLE, ORACLE_ALIASES), (DBMS.SQLITE, SQLITE_ALIASES), (DBMS.ACCESS, ACCESS_ALIASES), (DBMS.FIREBIRD, FIREBIRD_ALIASES), (DBMS.MAXDB, MAXDB_ALIASES), (DBMS.SYBASE, SYBASE_ALIASES), (DBMS.DB2, DB2_ALIASES), (DBMS.HSQLDB, HSQLDB_ALIASES), (DBMS.H2, H2_ALIASES), (DBMS.INFORMIX, INFORMIX_ALIASES), (DBMS.MONETDB, MONETDB_ALIASES), (DBMS.DERBY, DERBY_ALIASES), (DBMS.VERTICA, VERTICA_ALIASES), (DBMS.MCKOI, MCKOI_ALIASES), (DBMS.PRESTO, PRESTO_ALIASES), (DBMS.ALTIBASE, ALTIBASE_ALIASES), (DBMS.MIMERSQL, MIMERSQL_ALIASES), (DBMS.CRATEDB, CRATEDB_ALIASES), (DBMS.CUBRID, CUBRID_ALIASES))
+DBMS_ALIASES = ((DBMS.MSSQL, MSSQL_ALIASES), (DBMS.MYSQL, MYSQL_ALIASES), (DBMS.PGSQL, PGSQL_ALIASES), (DBMS.ORACLE, ORACLE_ALIASES), (DBMS.SQLITE, SQLITE_ALIASES), (DBMS.ACCESS, ACCESS_ALIASES), (DBMS.FIREBIRD, FIREBIRD_ALIASES), (DBMS.MAXDB, MAXDB_ALIASES), (DBMS.SYBASE, SYBASE_ALIASES), (DBMS.DB2, DB2_ALIASES), (DBMS.HSQLDB, HSQLDB_ALIASES), (DBMS.H2, H2_ALIASES), (DBMS.INFORMIX, INFORMIX_ALIASES), (DBMS.MONETDB, MONETDB_ALIASES), (DBMS.DERBY, DERBY_ALIASES), (DBMS.VERTICA, VERTICA_ALIASES), (DBMS.MCKOI, MCKOI_ALIASES), (DBMS.PRESTO, PRESTO_ALIASES), (DBMS.ALTIBASE, ALTIBASE_ALIASES), (DBMS.MIMERSQL, MIMERSQL_ALIASES), (DBMS.CRATEDB, CRATEDB_ALIASES), (DBMS.CUBRID, CUBRID_ALIASES), (DBMS.CACHE, CACHE_ALIASES))
 
 USER_AGENT_ALIASES = ("ua", "useragent", "user-agent")
 REFERER_ALIASES = ("ref", "referer", "referrer")
@@ -311,6 +313,10 @@ UPPER_CASE_DBMSES = set((DBMS.ORACLE, DBMS.DB2, DBMS.FIREBIRD, DBMS.HSQLDB, DBMS
 H2_DEFAULT_SCHEMA = HSQLDB_DEFAULT_SCHEMA = "PUBLIC"
 VERTICA_DEFAULT_SCHEMA = "public"
 MCKOI_DEFAULT_SCHEMA = "APP"
+CACHE_DEFAULT_SCHEMA = "SQLUser"
+
+# DBMSes where OFFSET mechanism starts from 1
+PLUS_ONE_DBMSES = set((DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE, DBMS.MSSQL, DBMS.CACHE))
 
 # Names that can't be used to name files on Windows OS
 WINDOWS_RESERVED_NAMES = ("CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9")
diff --git a/lib/request/basic.py b/lib/request/basic.py
index 09d94d2be..1ebf9adf5 100644
--- a/lib/request/basic.py
+++ b/lib/request/basic.py
@@ -343,7 +343,8 @@ def decodePage(page, contentEncoding, contentType, percentDecode=True):
             # e.g. %20%28%29
             if percentDecode:
                 if b"%" in page:
-                    page = re.sub(b"%([0-9a-fA-F]{2})", lambda _: decodeHex(_.group(1)), page)
+                    page = re.sub(b"%([0-9a-f]{2})", lambda _: decodeHex(_.group(1)), page)
+                    page = re.sub(b"%([0-9A-F]{2})", lambda _: decodeHex(_.group(1)), page)     # Note: %DeepSee_SQL in CACHE
 
             # e.g. &amp;
             page = re.sub(b"&([^;]+);", lambda _: six.int2byte(HTML_ENTITIES[getText(_.group(1))]) if HTML_ENTITIES.get(getText(_.group(1)), 256) < 256 else _.group(0), page)
diff --git a/lib/utils/deps.py b/lib/utils/deps.py
index 1c330931d..7b801fe7e 100644
--- a/lib/utils/deps.py
+++ b/lib/utils/deps.py
@@ -41,7 +41,7 @@ def checkDependencies():
                 __import__("kinterbasdb")
             elif dbmsName == DBMS.DB2:
                 __import__("ibm_db_dbi")
-            elif dbmsName == DBMS.HSQLDB:
+            elif dbmsName in (DBMS.HSQLDB, DBMS.CACHE):
                 __import__("jaydebeapi")
                 __import__("jpype")
             elif dbmsName == DBMS.INFORMIX:
diff --git a/plugins/dbms/cache/__init__.py b/plugins/dbms/cache/__init__.py
new file mode 100644
index 000000000..2c64c78d0
--- /dev/null
+++ b/plugins/dbms/cache/__init__.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.enums import DBMS
+from lib.core.settings import CACHE_SYSTEM_DBS
+from lib.core.unescaper import unescaper
+
+from plugins.dbms.cache.enumeration import Enumeration
+from plugins.dbms.cache.filesystem import Filesystem
+from plugins.dbms.cache.fingerprint import Fingerprint
+from plugins.dbms.cache.syntax import Syntax
+from plugins.dbms.cache.takeover import Takeover
+from plugins.generic.misc import Miscellaneous
+
+class CacheMap(Syntax, Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover):
+    """
+    This class defines Cache methods
+    """
+
+    def __init__(self):
+        self.excludeDbsList = CACHE_SYSTEM_DBS
+
+        for cls in self.__class__.__bases__:
+            cls.__init__(self)
+
+    unescaper[DBMS.CACHE] = Syntax.escape
diff --git a/plugins/dbms/cache/connector.py b/plugins/dbms/cache/connector.py
new file mode 100644
index 000000000..fa5edf463
--- /dev/null
+++ b/plugins/dbms/cache/connector.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+try:
+    import jaydebeapi
+    import jpype
+except:
+    pass
+
+import logging
+
+from lib.core.common import checkFile
+from lib.core.common import getSafeExString
+from lib.core.common import readInput
+from lib.core.data import conf
+from lib.core.data import logger
+from lib.core.exception import SqlmapConnectionException
+from plugins.generic.connector import Connector as GenericConnector
+
+class Connector(GenericConnector):
+    """
+    Homepage: https://pypi.python.org/pypi/JayDeBeApi/ & http://jpype.sourceforge.net/
+    User guide: https://pypi.python.org/pypi/JayDeBeApi/#usage & http://jpype.sourceforge.net/doc/user-guide/userguide.html
+    API: -
+    Debian package: -
+    License: LGPL & Apache License 2.0
+    """
+
+    def connect(self):
+        self.initConnection()
+        try:
+            msg = "please enter the location of 'cachejdbc.jar'? "
+            jar = readInput(msg)
+            checkFile(jar)
+            args = "-Djava.class.path=%s" % jar
+            jvm_path = jpype.getDefaultJVMPath()
+            jpype.startJVM(jvm_path, args)
+        except Exception as ex:
+            raise SqlmapConnectionException(getSafeExString(ex))
+
+        try:
+            driver = 'com.intersys.jdbc.CacheDriver'
+            connection_string = 'jdbc:Cache://%s:%d/%s' % (self.hostname, self.port, self.db)
+            self.connector = jaydebeapi.connect(driver, connection_string, str(self.user), str(self.password))
+        except Exception as ex:
+            raise SqlmapConnectionException(getSafeExString(ex))
+
+        self.initCursor()
+        self.printConnected()
+
+    def fetchall(self):
+        try:
+            return self.cursor.fetchall()
+        except Exception as ex:
+            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) '%s'" % getSafeExString(ex))
+            return None
+
+    def execute(self, query):
+        retVal = False
+
+        try:
+            self.cursor.execute(query)
+            retVal = True
+        except Exception as ex:
+            logger.log(logging.WARN if conf.dbmsHandler else logging.DEBUG, "(remote) '%s'" % getSafeExString(ex))
+
+        self.connector.commit()
+
+        return retVal
+
+    def select(self, query):
+        self.execute(query)
+        return self.fetchall()
diff --git a/plugins/dbms/cache/enumeration.py b/plugins/dbms/cache/enumeration.py
new file mode 100644
index 000000000..2a831eb16
--- /dev/null
+++ b/plugins/dbms/cache/enumeration.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.data import logger
+from lib.core.settings import CACHE_DEFAULT_SCHEMA
+from plugins.generic.enumeration import Enumeration as GenericEnumeration
+
+class Enumeration(GenericEnumeration):
+    def getCurrentDb(self):
+        return CACHE_DEFAULT_SCHEMA
+
+    def getUsers(self):
+        warnMsg = "on Cache it is not possible to enumerate the users"
+        logger.warn(warnMsg)
+
+        return []
+
+    def getPasswordHashes(self):
+        warnMsg = "on Cache it is not possible to enumerate password hashes"
+        logger.warn(warnMsg)
+
+        return {}
+
+    def getPrivileges(self, *args, **kwargs):
+        warnMsg = "on Cache it is not possible to enumerate the user privileges"
+        logger.warn(warnMsg)
+
+        return {}
+
+    def getStatements(self):
+        warnMsg = "on Cache it is not possible to enumerate the SQL statements"
+        logger.warn(warnMsg)
+
+        return []
+
+    def getRoles(self, *args, **kwargs):
+        warnMsg = "on Cache it is not possible to enumerate the user roles"
+        logger.warn(warnMsg)
+
+        return {}
+
+    def getHostname(self):
+        warnMsg = "on Cache it is not possible to enumerate the hostname"
+        logger.warn(warnMsg)
diff --git a/plugins/dbms/cache/filesystem.py b/plugins/dbms/cache/filesystem.py
new file mode 100644
index 000000000..e8c642492
--- /dev/null
+++ b/plugins/dbms/cache/filesystem.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from plugins.generic.filesystem import Filesystem as GenericFilesystem
+
+class Filesystem(GenericFilesystem):
+    pass
diff --git a/plugins/dbms/cache/fingerprint.py b/plugins/dbms/cache/fingerprint.py
new file mode 100644
index 000000000..fbe09b194
--- /dev/null
+++ b/plugins/dbms/cache/fingerprint.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.common import Backend
+from lib.core.common import Format
+from lib.core.common import hashDBRetrieve
+from lib.core.common import hashDBWrite
+from lib.core.data import conf
+from lib.core.data import kb
+from lib.core.data import logger
+from lib.core.enums import DBMS
+from lib.core.enums import FORK
+from lib.core.enums import HASHDB_KEYS
+from lib.core.session import setDbms
+from lib.core.settings import CACHE_ALIASES
+from lib.request import inject
+from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
+
+class Fingerprint(GenericFingerprint):
+    def __init__(self):
+        GenericFingerprint.__init__(self, DBMS.CACHE)
+
+    def getFingerprint(self):
+        fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
+
+        if fork is None:
+            if inject.checkBooleanExpression("$ZVERSION LIKE '%IRIS%'"):
+                fork = FORK.IRIS
+            else:
+                fork = ""
+
+            hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
+
+        value = ""
+        wsOsFp = Format.getOs("web server", kb.headersFp)
+
+        if wsOsFp:
+            value += "%s\n" % wsOsFp
+
+        if kb.data.banner:
+            dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp)
+
+            if dbmsOsFp:
+                value += "%s\n" % dbmsOsFp
+
+        value += "back-end DBMS: "
+
+        if not conf.extensiveFp:
+            value += DBMS.CACHE
+            if fork:
+                value += " (%s fork)" % fork
+            return value
+
+        actVer = Format.getDbms()
+        blank = " " * 15
+        value += "active fingerprint: %s" % actVer
+
+        if kb.bannerFp:
+            banVer = kb.bannerFp.get("dbmsVersion")
+
+            if banVer:
+                banVer = Format.getDbms([banVer])
+                value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
+
+        htmlErrorFp = Format.getErrorParsedDBMSes()
+
+        if htmlErrorFp:
+            value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
+
+        if fork:
+            value += "\n%sfork fingerprint: %s" % (blank, fork)
+
+        return value
+
+    def checkDbms(self):
+        if not conf.extensiveFp and Backend.isDbmsWithin(CACHE_ALIASES):
+            setDbms(DBMS.CACHE)
+
+            self.getBanner()
+
+            return True
+
+        infoMsg = "testing %s" % DBMS.CACHE
+        logger.info(infoMsg)
+
+        result = inject.checkBooleanExpression("$LISTLENGTH(NULL) IS NULL")
+
+        if result:
+            infoMsg = "confirming %s" % DBMS.CACHE
+            logger.info(infoMsg)
+
+            result = inject.checkBooleanExpression("%EXTERNAL %INTERNAL NULL IS NULL")
+
+            if not result:
+                warnMsg = "the back-end DBMS is not %s" % DBMS.CACHE
+                logger.warn(warnMsg)
+
+                return False
+
+            setDbms(DBMS.CACHE)
+
+            self.getBanner()
+
+            return True
+        else:
+            warnMsg = "the back-end DBMS is not %s" % DBMS.CACHE
+            logger.warn(warnMsg)
+
+            return False
diff --git a/plugins/dbms/cache/syntax.py b/plugins/dbms/cache/syntax.py
new file mode 100644
index 000000000..1a997b4a0
--- /dev/null
+++ b/plugins/dbms/cache/syntax.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.convert import getOrds
+from plugins.generic.syntax import Syntax as GenericSyntax
+
+class Syntax(GenericSyntax):
+    @staticmethod
+    def escape(expression, quote=True):
+        """
+        >>> from lib.core.common import Backend
+        >>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT CHAR(97)||CHAR(98)||CHAR(99)||CHAR(100)||CHAR(101)||CHAR(102)||CHAR(103)||CHAR(104) FROM foobar"
+        True
+        """
+
+        def escaper(value):
+            return "||".join("CHAR(%d)" % _ for _ in getOrds(value))
+
+        return Syntax._escape(expression, quote, escaper)
diff --git a/plugins/dbms/cache/takeover.py b/plugins/dbms/cache/takeover.py
new file mode 100644
index 000000000..5210fa529
--- /dev/null
+++ b/plugins/dbms/cache/takeover.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+from lib.core.exception import SqlmapUnsupportedFeatureException
+from plugins.generic.takeover import Takeover as GenericTakeover
+
+class Takeover(GenericTakeover):
+    def osCmd(self):
+        errMsg = "on Cache it is not possible to execute commands"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osShell(self):
+        errMsg = "on Cache it is not possible to execute commands"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osPwn(self):
+        errMsg = "on Cache it is not possible to establish an "
+        errMsg += "out-of-band connection"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def osSmb(self):
+        errMsg = "on Cache it is not possible to establish an "
+        errMsg += "out-of-band connection"
+        raise SqlmapUnsupportedFeatureException(errMsg)
diff --git a/plugins/dbms/h2/fingerprint.py b/plugins/dbms/h2/fingerprint.py
index 69c836396..6a3ac0faa 100644
--- a/plugins/dbms/h2/fingerprint.py
+++ b/plugins/dbms/h2/fingerprint.py
@@ -71,6 +71,9 @@ class Fingerprint(GenericFingerprint):
         if htmlErrorFp:
             value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
 
+        if fork:
+            value += "\n%sfork fingerprint: %s" % (blank, fork)
+
         return value
 
     def checkDbms(self):
diff --git a/plugins/dbms/hsqldb/connector.py b/plugins/dbms/hsqldb/connector.py
index 5aa9b2d57..d4ca29082 100644
--- a/plugins/dbms/hsqldb/connector.py
+++ b/plugins/dbms/hsqldb/connector.py
@@ -33,7 +33,7 @@ class Connector(GenericConnector):
     def connect(self):
         self.initConnection()
         try:
-            msg = "what's the location of 'hsqldb.jar'? "
+            msg = "please enter the location of 'hsqldb.jar'? "
             jar = readInput(msg)
             checkFile(jar)
             args = "-Djava.class.path=%s" % jar
diff --git a/plugins/dbms/postgresql/fingerprint.py b/plugins/dbms/postgresql/fingerprint.py
index c309fc156..bc5c37958 100644
--- a/plugins/dbms/postgresql/fingerprint.py
+++ b/plugins/dbms/postgresql/fingerprint.py
@@ -35,6 +35,8 @@ class Fingerprint(GenericFingerprint):
                 fork = FORK.REDSHIFT
             elif inject.checkBooleanExpression("VERSION() LIKE '%Greenplum%'"):     # Reference: http://www.sqldbpros.com/wordpress/wp-content/uploads/2014/08/what-version-of-greenplum.png
                 fork = FORK.GREENPLUM
+            elif inject.checkBooleanExpression("VERSION() LIKE '%Yellowbrick%'"):   # Reference: https://www.yellowbrick.com/docs/3.3/ybd_sqlref/version.html
+                fork = FORK.YELLOWBRICK
             elif inject.checkBooleanExpression("VERSION() LIKE '%EnterpriseDB%'"):  # Reference: https://www.enterprisedb.com/edb-docs/d/edb-postgres-advanced-server/user-guides/user-guide/11/EDB_Postgres_Advanced_Server_Guide.1.087.html
                 fork = FORK.ENTERPRISEDB
             elif inject.checkBooleanExpression("AURORA_VERSION() LIKE '%'"):        # Reference: https://aws.amazon.com/premiumsupport/knowledge-center/aurora-version-number/
diff --git a/plugins/generic/databases.py b/plugins/generic/databases.py
index e88b957ba..aa98ee574 100644
--- a/plugins/generic/databases.py
+++ b/plugins/generic/databases.py
@@ -49,6 +49,7 @@ from lib.core.exception import SqlmapMissingMandatoryOptionException
 from lib.core.exception import SqlmapNoneDataException
 from lib.core.exception import SqlmapUserQuitException
 from lib.core.settings import CURRENT_DB
+from lib.core.settings import PLUS_ONE_DBMSES
 from lib.core.settings import REFLECTED_VALUE_MARKER
 from lib.core.settings import UPPER_CASE_DBMSES
 from lib.core.settings import VERTICA_DEFAULT_SCHEMA
@@ -84,13 +85,13 @@ class Databases(object):
         if not kb.data.currentDb and Backend.isDbms(DBMS.VERTICA):
             kb.data.currentDb = VERTICA_DEFAULT_SCHEMA
 
-        if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.PGSQL, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.PRESTO, DBMS.MIMERSQL, DBMS.CRATEDB):
-            warnMsg = "on %s you'll need to use " % Backend.getIdentifiedDbms()
+        if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.PGSQL, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.PRESTO, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CACHE):
+            warnMsg = "on '%s' you'll need to use " % Backend.getIdentifiedDbms()
             warnMsg += "schema names for enumeration as the counterpart to database "
             warnMsg += "names on other DBMSes"
             singleTimeWarnMessage(warnMsg)
         elif Backend.getIdentifiedDbms() in (DBMS.ALTIBASE, DBMS.CUBRID):
-            warnMsg = "on %s you'll need to use " % Backend.getIdentifiedDbms()
+            warnMsg = "on '%s' you'll need to use " % Backend.getIdentifiedDbms()
             warnMsg += "user names for enumeration as the counterpart to database "
             warnMsg += "names on other DBMSes"
             singleTimeWarnMessage(warnMsg)
@@ -109,8 +110,8 @@ class Databases(object):
             warnMsg += "names will be fetched from 'mysql' database"
             logger.warn(warnMsg)
 
-        elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.PGSQL, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.PRESTO, DBMS.MIMERSQL, DBMS.CRATEDB):
-            warnMsg = "schema names are going to be used on %s " % Backend.getIdentifiedDbms()
+        elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.PGSQL, DBMS.MONETDB, DBMS.DERBY, DBMS.VERTICA, DBMS.PRESTO, DBMS.MIMERSQL, DBMS.CRATEDB, DBMS.CACHE):
+            warnMsg = "schema names are going to be used on '%s' " % Backend.getIdentifiedDbms()
             warnMsg += "for enumeration as the counterpart to database "
             warnMsg += "names on other DBMSes"
             logger.warn(warnMsg)
@@ -118,7 +119,7 @@ class Databases(object):
             infoMsg = "fetching database (schema) names"
 
         elif Backend.getIdentifiedDbms() in (DBMS.ALTIBASE, DBMS.CUBRID):
-            warnMsg = "user names are going to be used on %s " % Backend.getIdentifiedDbms()
+            warnMsg = "user names are going to be used on '%s' " % Backend.getIdentifiedDbms()
             warnMsg += "for enumeration as the counterpart to database "
             warnMsg += "names on other DBMSes"
             logger.warn(warnMsg)
@@ -157,7 +158,7 @@ class Databases(object):
                 errMsg = "unable to retrieve the number of databases"
                 logger.error(errMsg)
             else:
-                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+                plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
                 indexRange = getLimitRange(count, plusOne=plusOne)
 
                 for index in indexRange:
@@ -342,7 +343,7 @@ class Databases(object):
                                     infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                                     logger.info(infoMsg)
                             else:
-                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
+                                warnMsg = "on '%s' it is not " % Backend.getIdentifiedDbms()
                                 warnMsg += "possible to get table comments"
                                 singleTimeWarnMessage(warnMsg)
 
@@ -388,7 +389,7 @@ class Databases(object):
 
                 tables = []
 
-                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+                plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
                 indexRange = getLimitRange(count, plusOne=plusOne)
 
                 for index in indexRange:
@@ -424,7 +425,7 @@ class Databases(object):
                                     infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(db)
                                     logger.info(infoMsg)
                             else:
-                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
+                                warnMsg = "on '%s' it is not " % Backend.getIdentifiedDbms()
                                 warnMsg += "possible to get table comments"
                                 singleTimeWarnMessage(warnMsg)
 
@@ -604,7 +605,7 @@ class Databases(object):
                     condQueryStr = "%%s%s" % colCondParam
                     condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
 
-                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID):
+                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID, DBMS.CACHE):
                     query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                     query += condQuery
 
@@ -697,7 +698,7 @@ class Databases(object):
                                             infoMsg = "retrieved comment '%s' for column '%s'" % (comment, name)
                                             logger.info(infoMsg)
                                     else:
-                                        warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
+                                        warnMsg = "on '%s' it is not " % Backend.getIdentifiedDbms()
                                         warnMsg += "possible to get column comments"
                                         singleTimeWarnMessage(warnMsg)
 
@@ -751,7 +752,7 @@ class Databases(object):
                     condQueryStr = "%%s%s" % colCondParam
                     condQuery = " AND (%s)" % " OR ".join(condQueryStr % (condition, unsafeSQLIdentificatorNaming(col)) for col in sorted(colList))
 
-                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID):
+                if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.MONETDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID, DBMS.CACHE):
                     query = rootQuery.blind.count % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                     query += condQuery
 
@@ -818,7 +819,7 @@ class Databases(object):
                             continue
 
                 for index in getLimitRange(count):
-                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID):
+                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CUBRID, DBMS.CACHE):
                         query = rootQuery.blind.query % (unsafeSQLIdentificatorNaming(tbl), unsafeSQLIdentificatorNaming(conf.db))
                         query += condQuery
                         field = None
@@ -867,12 +868,12 @@ class Databases(object):
                                     infoMsg = "retrieved comment '%s' for column '%s'" % (comment, column)
                                     logger.info(infoMsg)
                             else:
-                                warnMsg = "on %s it is not " % Backend.getIdentifiedDbms()
+                                warnMsg = "on '%s' it is not " % Backend.getIdentifiedDbms()
                                 warnMsg += "possible to get column comments"
                                 singleTimeWarnMessage(warnMsg)
 
                         if not onlyColNames:
-                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB):
+                            if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CACHE):
                                 query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl), column, unsafeSQLIdentificatorNaming(conf.db))
                             elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.DERBY, DBMS.ALTIBASE, DBMS.MIMERSQL):
                                 query = rootQuery.blind.query2 % (unsafeSQLIdentificatorNaming(tbl.upper()), column, unsafeSQLIdentificatorNaming(conf.db.upper()))
@@ -1058,7 +1059,7 @@ class Databases(object):
                 errMsg = "unable to retrieve the number of statements"
                 raise SqlmapNoneDataException(errMsg)
 
-            plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+            plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
             indexRange = getLimitRange(count, plusOne=plusOne)
 
             for index in indexRange:
diff --git a/plugins/generic/entries.py b/plugins/generic/entries.py
index 117d9a221..f5d85ef89 100644
--- a/plugins/generic/entries.py
+++ b/plugins/generic/entries.py
@@ -43,6 +43,7 @@ from lib.core.exception import SqlmapUnsupportedFeatureException
 from lib.core.settings import CHECK_ZERO_COLUMNS_THRESHOLD
 from lib.core.settings import CURRENT_DB
 from lib.core.settings import NULL
+from lib.core.settings import PLUS_ONE_DBMSES
 from lib.core.settings import UPPER_CASE_DBMSES
 from lib.request import inject
 from lib.utils.hash import attackDumpedTable
@@ -233,7 +234,7 @@ class Entries(object):
                                     entries = BigArray(_zip(*[entries[colName] for colName in colList]))
                         else:
                             query = rootQuery.inband.query % (colString, conf.db, tbl)
-                    elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB):
+                    elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CACHE):
                         query = rootQuery.inband.query % (colString, conf.db, tbl, prioritySortColumns(colList)[0])
                     else:
                         query = rootQuery.inband.query % (colString, conf.db, tbl)
@@ -379,7 +380,7 @@ class Entries(object):
 
                     else:
                         emptyColumns = []
-                        plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+                        plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
                         indexRange = getLimitRange(count, plusOne=plusOne)
 
                         if len(colList) < len(indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
@@ -404,7 +405,7 @@ class Entries(object):
                                     if column not in entries:
                                         entries[column] = BigArray()
 
-                                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB):
+                                    if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB, DBMS.H2, DBMS.VERTICA, DBMS.PRESTO, DBMS.CRATEDB, DBMS.CACHE):
                                         query = rootQuery.blind.query % (agent.preprocessField(tbl, column), conf.db, conf.tbl, sorted(colList, key=len)[0], index)
                                     elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.DERBY, DBMS.ALTIBASE,):
                                         query = rootQuery.blind.query % (agent.preprocessField(tbl, column), tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())), index)
diff --git a/plugins/generic/users.py b/plugins/generic/users.py
index 1ea627eb1..adbba052f 100644
--- a/plugins/generic/users.py
+++ b/plugins/generic/users.py
@@ -41,6 +41,7 @@ from lib.core.enums import PAYLOAD
 from lib.core.exception import SqlmapNoneDataException
 from lib.core.exception import SqlmapUserQuitException
 from lib.core.settings import CURRENT_USER
+from lib.core.settings import PLUS_ONE_DBMSES
 from lib.core.threads import getCurrentThreadData
 from lib.request import inject
 from lib.utils.hash import attackCachedUsersPasswords
@@ -140,7 +141,7 @@ class Users(object):
                 errMsg = "unable to retrieve the number of database users"
                 raise SqlmapNoneDataException(errMsg)
 
-            plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+            plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
             indexRange = getLimitRange(count, plusOne=plusOne)
 
             for index in indexRange:
@@ -308,7 +309,7 @@ class Users(object):
 
                     passwords = []
 
-                    plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+                    plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
                     indexRange = getLimitRange(count, plusOne=plusOne)
 
                     for index in indexRange:
@@ -556,7 +557,7 @@ class Users(object):
 
                 privileges = set()
 
-                plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.ALTIBASE)
+                plusOne = Backend.getIdentifiedDbms() in PLUS_ONE_DBMSES
                 indexRange = getLimitRange(count, plusOne=plusOne)
 
                 for index in indexRange: