IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_NAMERFLITEM' AND KSQL_COL_NAME ='FINVOICEFACTOR') 
 ALTER TABLE T_ER_NAMERFLITEM ADD (FINVOICEFACTOR VARCHAR(50) DEFAULT ' ' NOT NULL );
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_NAMERFLITEM' AND KSQL_COL_NAME ='FMAPFACTOR') 
 ALTER TABLE T_ER_NAMERFLITEM ADD (FMAPFACTOR NVARCHAR(255) DEFAULT ' ' NOT NULL );