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minor wording updates
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qiancai authored Sep 30, 2024
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2 changes: 1 addition & 1 deletion sql-statements/sql-statement-explain.md
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Expand Up @@ -10,7 +10,7 @@ aliases: ['/docs-cn/dev/sql-statements/sql-statement-explain/','/docs-cn/dev/ref

> **注意:**
>
> 一部分子查询会在优化阶段被执行以生成可能更优的执行计划,即使是在 `EXPLAIN` 语句中。更详细的说明以及禁用这个行为的方法请参见 [`tidb_opt_enable_non_eval_scalar_subquery`](/system-variables.md#tidb_opt_enable_non_eval_scalar_subquery-从-v730-版本开始引入)[禁止子查询提前展开](/explain-walkthrough.md#禁止子查询提前执行)
> 某些子查询会在优化阶段被提前执行以生成可能更优的执行计划,即使是在 `EXPLAIN` 语句中。更详细的说明以及禁用这个行为的方法请参见 [`tidb_opt_enable_non_eval_scalar_subquery`](/system-variables.md#tidb_opt_enable_non_eval_scalar_subquery-从-v730-版本开始引入)[禁止子查询提前展开](/explain-walkthrough.md#禁止子查询提前执行)
语句 `DESC``DESCRIBE``EXPLAIN` 的别名。`EXPLAIN <tableName>` 的替代用法记录在 [`SHOW [FULL] COLUMNS FROM`](/sql-statements/sql-statement-show-columns-from.md) 下。

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