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tidb: doc for multi-valued index GA #13396

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Update sql-statements/sql-statement-create-index.md
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ran-huang authored Apr 17, 2023
commit ec2334958c2ef98ea5884fc57ef9907ce7cc271d
2 changes: 1 addition & 1 deletion sql-statements/sql-statement-create-index.md
Original file line number Diff line number Diff line change
Expand Up @@ -378,7 +378,7 @@ Query OK, 1 row affected (0.00 sec)
- 多值索引使用额外的存储空间为:平均每行数组元素个数 * 普通二级索引使用空间。
- 相比于普通索引,DML 会对多值索引产生更多的索引记录的修改,因此多值索引会带来比普通索引更大的性能影响。
- 由于多值索引是一种特殊的表达式索引,因此具有表达式索引的限制。
- 使用备份恢复工具(BR),同步工具TiCDC,导入工具Lightning无法将定义了多值索引的表备份/同步/导入到低于 v6.6.0 版本的 TiDB。
- 使用备份恢复工具 (BR),同步工具 (TiCDC),导入工具 (TiDB Lightning) 无法将定义了多值索引的表备份、同步、导入到低于 v6.6.0 版本的 TiDB。
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## 不可见索引

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