IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_FEE_STANDARD' AND KSQL_COL_NAME ='FREIMBURSELEVELBILL') 
 ALTER TABLE T_ER_FEE_STANDARD ADD (FREIMBURSELEVELBILL BIGINT DEFAULT 0 NOT NULL);