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