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---
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- title : Explain 命令
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+ title : EXPLAIN 命令
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---
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- import IndexOverviewList from '@site/src /components/IndexOverviewList';
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- 本页提供 Databend 中 explain 相关命令的参考信息 。
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+ 本页面提供 Databend 中与 EXPLAIN 相关的命令的参考信息 。
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- <IndexOverviewList />
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+ ## 命令概述
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+
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+ | 命令 | 使用场景 |
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+ | ---------| ----------|
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+ | [ ` EXPLAIN ` ] ( ./explain ) | 理解查询结构与优化 |
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+ | [ ` EXPLAIN ANALYZE ` ] ( ./explain-analyze ) | 通过运行时统计信息进行性能分析 |
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+ | [ ` EXPLAIN ANALYZE GRAPHICAL ` ] ( ./explain-analyze-graphical ) | 可视化性能分析(仅限 BendSQL) |
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+ | [ ` EXPLAIN AST ` ] ( ./explain-ast ) | SQL 解析与语法分析 |
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+ | [ ` EXPLAIN PERF ` ] ( ./explain-perf ) | 查询性能剖析(仅限 BendSQL) |
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+ | [ ` EXPLAIN RAW ` ] ( ./explain-raw ) | 内部查询处理分析 |
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+ | [ ` EXPLAIN SYNTAX ` ] ( ./explain-syntax ) | SQL 代码格式化与标准化 |
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