IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_BAS_ASSISTANTDATAENTRY' AND KSQL_COL_NAME ='FCTRLSTRATEGY') 
 ALTER TABLE T_BAS_ASSISTANTDATAENTRY ADD (FCTRLSTRATEGY VARCHAR(10) DEFAULT '6' NOT NULL );