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      2. 如何检查 MySQL 中的表字段上是否存在索引?

        How do I check if an index exists on a table field in MySQL?(如何检查 MySQL 中的表字段上是否存在索引?)

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                  本文介绍了如何检查 MySQL 中的表字段上是否存在索引?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我需要谷歌几次,所以我要分享我的问答.

                  I've needed to Google this a couple times, so I'm sharing my Q/A.

                  推荐答案

                  像这样使用SHOW INDEX:

                  SHOW INDEX FROM [tablename]
                  

                  文档:https://dev.mysql.com/doc/refman/5.0/en/show-index.html

                  这篇关于如何检查 MySQL 中的表字段上是否存在索引?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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