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


