IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_POM_MROORDER_N' AND KSQL_COL_NAME ='FBILLENTITYTYPE') 
 ALTER TABLE T_POM_MROORDER_N ADD (FBILLENTITYTYPE NVARCHAR(50) DEFAULT ' ' NOT NULL );

