diff --git a/mysql-test/suite/compat/oracle/r/type_varchar.result b/mysql-test/suite/compat/oracle/r/type_varchar.result
new file mode 100644
index 0000000000000..906e16867cd73
--- /dev/null
+++ b/mysql-test/suite/compat/oracle/r/type_varchar.result
@@ -0,0 +1,9 @@
+SET sql_mode=ORACLE;
+#
+#  MDEV-11275 sql_mode=ORACLE: CAST(..AS VARCHAR(N))
+#
+SELECT CAST(123 AS VARCHAR(10)) FROM DUAL;
+CAST(123 AS VARCHAR(10))
+123
+SELECT CAST(123 AS VARCHAR) FROM DUAL;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') FROM DUAL' at line 1
diff --git a/mysql-test/suite/compat/oracle/r/type_varchar2.result b/mysql-test/suite/compat/oracle/r/type_varchar2.result
index 827b4d4396bb8..5030cfbaa0a85 100644
--- a/mysql-test/suite/compat/oracle/r/type_varchar2.result
+++ b/mysql-test/suite/compat/oracle/r/type_varchar2.result
@@ -13,3 +13,11 @@ t1	CREATE TABLE "t1" (
   "a" varchar(10) DEFAULT NULL
 )
 DROP TABLE t1;
+#
+#  MDEV-11275 sql_mode=ORACLE: CAST(..AS VARCHAR(N))
+#
+SELECT CAST(123 AS VARCHAR2(10)) FROM DUAL;
+CAST(123 AS VARCHAR2(10))
+123
+SELECT CAST(123 AS VARCHAR2) FROM DUAL;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') FROM DUAL' at line 1
diff --git a/mysql-test/suite/compat/oracle/t/type_varchar.test b/mysql-test/suite/compat/oracle/t/type_varchar.test
new file mode 100644
index 0000000000000..05691bfb8e6bc
--- /dev/null
+++ b/mysql-test/suite/compat/oracle/t/type_varchar.test
@@ -0,0 +1,9 @@
+SET sql_mode=ORACLE;
+
+--echo #
+--echo #  MDEV-11275 sql_mode=ORACLE: CAST(..AS VARCHAR(N))
+--echo #
+
+SELECT CAST(123 AS VARCHAR(10)) FROM DUAL;
+--error ER_PARSE_ERROR
+SELECT CAST(123 AS VARCHAR) FROM DUAL;
diff --git a/mysql-test/suite/compat/oracle/t/type_varchar2.test b/mysql-test/suite/compat/oracle/t/type_varchar2.test
index 1cf9152982a04..bd0243713b6d3 100644
--- a/mysql-test/suite/compat/oracle/t/type_varchar2.test
+++ b/mysql-test/suite/compat/oracle/t/type_varchar2.test
@@ -8,3 +8,12 @@ DROP TABLE varchar2;
 CREATE TABLE t1 (a VARCHAR2(10));
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
+
+
+--echo #
+--echo #  MDEV-11275 sql_mode=ORACLE: CAST(..AS VARCHAR(N))
+--echo #
+
+SELECT CAST(123 AS VARCHAR2(10)) FROM DUAL;
+--error ER_PARSE_ERROR
+SELECT CAST(123 AS VARCHAR2) FROM DUAL;
diff --git a/sql/sql_yacc_ora.yy b/sql/sql_yacc_ora.yy
index 8926e49f67b1f..871d402d99076 100644
--- a/sql/sql_yacc_ora.yy
+++ b/sql/sql_yacc_ora.yy
@@ -10314,6 +10314,14 @@ cast_type:
           { Lex->charset= thd->variables.collation_connection; }
           opt_binary
           { $$.set(ITEM_CAST_CHAR, $2); }
+        | VARCHAR field_length
+          { Lex->charset= thd->variables.collation_connection; }
+          opt_binary
+          { $$.set(ITEM_CAST_CHAR, $2); }
+        | VARCHAR2 field_length
+          { Lex->charset= thd->variables.collation_connection; }
+          opt_binary
+          { $$.set(ITEM_CAST_CHAR, $2); }
         | NCHAR_SYM opt_field_length
           {
             Lex->charset= national_charset_info;