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