 IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_MFTOMREQBILL' AND KSQL_COL_NAME ='FSERIALNUMBER') 
ALTER TABLE T_IM_MDC_MFTOMREQBILL ADD (FSERIALNUMBER NVARCHAR(100) DEFAULT ' ' NOT NULL);

 IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_MFTOMREQENTRY' AND KSQL_COL_NAME ='FSERIALNUMBER') 
ALTER TABLE T_IM_MDC_MFTOMREQENTRY ADD (FSERIALNUMBER NVARCHAR(100) DEFAULT ' ' NOT NULL);
