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