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Update information-schema/information-schema-tidb-check-constraints.md
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hfxsd committed Sep 12, 2024
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Expand Up @@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `TIDB_CHECK_CONSTRAINTS`。

# TIDB\_CHECK\_CONSTRAINTS

`TIDB_CHECK_CONSTRAINTS` 表提供关于表上 [`CHECK` 约束](/constraints.md#check-约束)的信息。除了包含 [`CHECK_CONSTRAINTS`](/information-schema/information-schema-check-constraints.md) 中的信息,`TIDB_CHECK_CONSTRAINTS` 还可获取定义 `CHECK` 约束的表名和表 ID。
`TIDB_CHECK_CONSTRAINTS` 表提供关于表上 [`CHECK` 约束](/constraints.md#check-约束)的信息。除了包含 [`CHECK_CONSTRAINTS`](/information-schema/information-schema-check-constraints.md) 中的信息,`TIDB_CHECK_CONSTRAINTS` 还提供了定义 `CHECK` 约束的表名和表 ID。

```sql
USE INFORMATION_SCHEMA;
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