diff --git a/lib/core/settings.py b/lib/core/settings.py
index deb63bca0..384655509 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 = "1.5.3.10"
+VERSION = "1.5.3.11"
 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)
diff --git a/plugins/generic/connector.py b/plugins/generic/connector.py
index 278e21b1a..865bf267e 100644
--- a/plugins/generic/connector.py
+++ b/plugins/generic/connector.py
@@ -63,20 +63,20 @@ class Connector(object):
 
     def connect(self):
         errMsg = "'connect' method must be defined "
-        errMsg += "into the specific DBMS plugin"
+        errMsg += "inside the specific DBMS plugin"
         raise SqlmapUndefinedMethod(errMsg)
 
     def fetchall(self):
         errMsg = "'fetchall' method must be defined "
-        errMsg += "into the specific DBMS plugin"
+        errMsg += "inside the specific DBMS plugin"
         raise SqlmapUndefinedMethod(errMsg)
 
     def execute(self, query):
         errMsg = "'execute' method must be defined "
-        errMsg += "into the specific DBMS plugin"
+        errMsg += "inside the specific DBMS plugin"
         raise SqlmapUndefinedMethod(errMsg)
 
     def select(self, query):
         errMsg = "'select' method must be defined "
-        errMsg += "into the specific DBMS plugin"
+        errMsg += "inside the specific DBMS plugin"
         raise SqlmapUndefinedMethod(errMsg)
diff --git a/plugins/generic/databases.py b/plugins/generic/databases.py
index 02a6d2fd2..256fd398a 100644
--- a/plugins/generic/databases.py
+++ b/plugins/generic/databases.py
@@ -594,7 +594,7 @@ class Databases(object):
                 if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                    and conf.db in kb.data.cachedColumns and tbl in \
                    kb.data.cachedColumns[conf.db]:
-                    infoMsg = "fetched tables' columns on "
+                    infoMsg = "fetched table columns from "
                     infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                     logger.info(infoMsg)
 
@@ -619,7 +619,7 @@ class Databases(object):
                     query += condQuery
 
                     if Backend.isFork(FORK.DRIZZLE):
-                        query = query.replace("column_type", "data_type")
+                        query = re.sub("column_type", "data_type", query, flags=re.I)
 
                 elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.DERBY, DBMS.ALTIBASE, DBMS.MIMERSQL):
                     query = rootQuery.inband.query % (unsafeSQLIdentificatorNaming(tbl.upper()), unsafeSQLIdentificatorNaming(conf.db.upper()))
@@ -730,7 +730,7 @@ class Databases(object):
                 if conf.db is not None and len(kb.data.cachedColumns) > 0 \
                    and conf.db in kb.data.cachedColumns and tbl in \
                    kb.data.cachedColumns[conf.db]:
-                    infoMsg = "fetched tables' columns on "
+                    infoMsg = "fetched table columns from "
                     infoMsg += "database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
                     logger.info(infoMsg)
 
@@ -1050,7 +1050,7 @@ class Databases(object):
             query = rootQuery.blind.count
 
             if Backend.isFork(FORK.DRIZZLE):
-                query = query.replace("INFORMATION_SCHEMA", "DATA_DICTIONARY")
+                query = re.sub("INFORMATION_SCHEMA", "DATA_DICTIONARY", query, flags=re.I)
 
             count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
 
@@ -1078,7 +1078,7 @@ class Databases(object):
                     query = rootQuery.blind.query % index
 
                     if Backend.isFork(FORK.DRIZZLE):
-                        query = query.replace("INFORMATION_SCHEMA", "DATA_DICTIONARY")
+                        query = re.sub("INFORMATION_SCHEMA", "DATA_DICTIONARY", query, flags=re.I)
 
                     value = unArrayizeValue(inject.getValue(query, union=False, error=False))