explain是mysql的关键字吗

是的，EXPLAIN是MySQL的关键字之一。它可以在一条SELECT查询前面加上EXPLAIN关键字，然后执行，以获取查询的执行计划。执行计划提供了有关查询如何执行的详细信息，包括使用的索引、连接类型、扫描行数等。通过分析执行计划，可以帮助我们优化查询性能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [Mysql的Explain关键字](https://blog.csdn.net/aaaPostcard/article/details/119378253)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [mysql-Explain关键字](https://blog.csdn.net/qq_40337086/article/details/111589389)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]