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update MD by dispatch event pingcap/docs-cn release-7.5
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github-actions committed Nov 25, 2024
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4 changes: 2 additions & 2 deletions markdown-pages/zh/tidb/release-7.5/system-variables.md
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Expand Up @@ -4029,7 +4029,7 @@ EXPLAIN FORMAT='brief' SELECT COUNT(1) FROM t WHERE a = 1 AND b IS NOT NULL;
### `tidb_read_consistency` <span class="version-mark">从 v5.4.0 版本开始引入</span>

- 作用域:SESSION
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制:是
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制:是(注意当存在[非事务 DML 语句](/non-transactional-dml.md)时,使用 hint 修改该变量的值可能不生效)
- 类型:字符串
- 默认值:`strict`
- 此变量用于控制自动提交的读语句的读一致性。
Expand All @@ -4039,7 +4039,7 @@ EXPLAIN FORMAT='brief' SELECT COUNT(1) FROM t WHERE a = 1 AND b IS NOT NULL;
### `tidb_read_staleness` <span class="version-mark">从 v5.4.0 版本开始引入</span>

- 作用域:SESSION
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制:
- 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制:
- 类型:整数型
- 默认值:`0`
- 范围 `[-2147483648, 0]`
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