本文我们对比了 MySQL的DESCRIBE和EXPLAIN命令，了解了它们的主要用途、支持对象、输出内容和适用场景，以及它们的实现机制。 在 MySQL中，DESCRIBE 和 EXPLAIN 是两个经常使用的命令，那么，两者有什么区别？实际工作中，我们又该如何选择？这篇文章，我们来聊一聊。

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