will return an error if you use any of these keywords as an identifier name unless you surround the identifier name with quotes ("). See . ADD ALL ALLOCATE ALTER AND ANY ARE AS ASC ASSERTION AT AUTHORIZATION AVG BEGIN BETWEEN BIGINT BIT BOOLEAN BOTH BY CALL CASCADE CASCADED CASE CAST CHAR CHARACTER CHARACTER_LENGTH CHECK CLOSE COALESCE COLLATE COLLATION COLUMN COMMIT CONNECT CONNECTION CONSTRAINT CONSTRAINTS CONTINUE CONVERT CORRESPONDING CREATE CROSS CURRENT CURRENT_DATE CURRENT_ROLE CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER CURSOR DEALLOCATE DEC DECIMAL DECLARE DEFAULT DEFERRABLE DEFERRED DELETE DESC DESCRIBE DIAGNOSTICS DISCONNECT DISTINCT DOUBLE DROP ELSE END END-EXEC ESCAPE EXCEPT EXCEPTION EXEC EXECUTE EXISTS EXPLAIN EXTERNAL FALSE FETCH FIRST FLOAT FOR FOREIGN FOUND FROM FULL FUNCTION GET GETCURRENTCONNECTION GLOBAL GO GOTO GRANT GROUP HAVING HOUR IDENTITY IMMEDIATE IN INDICATOR INITIALLY INNER INOUT INPUT INSENSITIVE INSERT INT INTEGER INTERSECT INTO IS ISOLATION JOIN KEY LAST LEADING LEFT LIKE LOWER LTRIM MATCH MAX MIN MINUTE NATIONAL NATURAL NCHAR NVARCHAR NEXT NO NONE NOT NULL NULLIF NUMERIC OF ON ONLY OPEN OPTION OR ORDER OUTER OUTPUT OVERLAPS PAD PARTIAL PREPARE PRESERVE PRIMARY PRIOR PRIVILEGES PROCEDURE PUBLIC READ REAL REFERENCES RELATIVE RESTRICT REVOKE RIGHT ROLLBACK ROWS RTRIM SCHEMA SCROLL SECOND SELECT SESSION_USER SET SMALLINT SOME SPACE SQL SQLCODE SQLERROR SQLSTATE SUBSTR SUBSTRING SUM SYSTEM_USER TABLE TEMPORARY TIMEZONE_HOUR TIMEZONE_MINUTE TO TRANSACTION TRANSLATE TRANSLATION TRIM TRUE UNION UNIQUE UNKNOWN UPDATE UPPER USER USING VALUES VARCHAR VARYING VIEW WHENEVER WHERE WINDOW WITH WORK WRITE XML XMLEXISTS XMLPARSE XMLQUERY XMLSERIALIZE YEAR