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