更新NTEXT的方法
declare @id numeric(18,0)
DECLARE ResultSet_News CURSOR FOR
SELECT Id FROM product_ta_product;
OPEN ResultSet_News;
FETCH NEXT FROM ResultSet_News into @Id
WHILE @@FETCH_STATUS = 0
BEGIN
print @id
DECLARE @CommentVar nvarchar(4000);
-- Read in existing comments from COMMENTS column in view named MyView
SELECT @CommentVar = product_description FROM product_ta_product WHERE id=@id;
-- Insert text a top of comment (example is a running history with most recent first)
SET @CommentVar = replace(@CommentVar,'http://www.4wdcc.com/admin','http://www.leods.com/admin');
-- Now go update the field
UPDATE product_ta_product SET product_description = @CommentVar WHERE id=@id;
FETCH NEXT FROM ResultSet_News into @Id
END;
CLOSE ResultSet_News;
DEALLOCATE ResultSet_News;