Home >php教程 >php手册 >游标操作时进行Update应注意的一个问题

游标操作时进行Update应注意的一个问题

WBOY
WBOYOriginal
2016-06-13 10:04:50839browse

在进行游标操作时,如果你使用了Order by 子句,但Order by 的字段没有索引, 则会导至游标为只读属性, 并且不能指定
为for Update状态.
解决办法有去掉Order by 子句或者对Order by的字段进行索引.

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn