IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_BD_DEFAULTCTRLSTRATEGY' AND KSQL_COL_NAME ='FCHECKSTATUS') 
 ALTER TABLE T_BD_DEFAULTCTRLSTRATEGY ADD (FCHECKSTATUS CHAR(1) DEFAULT '1' NOT NULL );