DB2 LUW does not support the following statements:
- ALLOCATE CURSOR
- ALTER FUNCTION
- ALTER PROCEDURE
- CREATE AUXILIARY TABLE
- CREATE GLOBAL TEMPORARY TABLE
- DECLARE
- DESCRIBE CURSOR
- DESCRIBE INPUT
- DESCRIBE PROCEDURE
- HOLD LOCATOR
- LABEL ON
- SET
SPECIAL REGISTER where the register is not supported by DB2 LUW
Some SQL syntax especially dealing with stored procedures is supported by DB2 LUW via other languages such as C++ or JAVA but has not been implemented using COBOL.