IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_OMINBILLENTRY' AND KSQL_COL_NAME ='FBACKFLUSHSTATUS') 
 ALTER TABLE T_IM_MDC_OMINBILLENTRY ADD (FBACKFLUSHSTATUS VARCHAR(100) DEFAULT ' ' NOT NULL );

IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_PRBLENTRY_M' AND KSQL_COL_NAME ='FBACKFLUSHSTATUS') 
 ALTER TABLE T_IM_MDC_PRBLENTRY_M ADD (FBACKFLUSHSTATUS VARCHAR(100) DEFAULT ' ' NOT NULL );