IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('objects')) 
Update objects set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('group')) 
Update [group] set  [imagekey] = CONVERT(varchar(255), NEWID()) where [imagekey] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('series')) 
Update [series] set  [imagekey] = CONVERT(varchar(255), NEWID()) where [imagekey] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('fileunit')) 
Update [fileunit] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('biblio')) 
Update [biblio] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('artist')) 
Update [artist] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('conserv')) 
Update [conserv] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('exhibt')) 
Update [exhibt] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('site')) 
Update [site] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('oloant')) 
Update [oloant] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('oloanf')) 
Update [oloanf] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO
IF EXISTS (SELECT * FROM sysobjects WHERE id=OBJECT_ID('patron')) 
Update [patron] set  [file_name] = CONVERT(varchar(255), NEWID()) where [file_name] = ''
GO