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Update dev-guide-update-data.md to fix a Chinese grammar problem (#16857) (#16861) #16863

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Mar 21, 2024
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Update dev-guide-update-data.md to fix a Chinese grammar problem (#16857) (#16861) #16863

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Update develop/dev-guide-update-data.md
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@hfxsd @ti-chi-bot
hfxsd authored and ti-chi-bot committed Mar 21, 2024
commit 4587992f389215bb8b379f23b9e86b3a63fa5290
2 changes: 1 addition & 1 deletion develop/dev-guide-update-data.md
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Expand Up @@ -110,7 +110,7 @@ INSERT INTO {table} ({columns}) VALUES ({values})

### `INSERT ON DUPLICATE KEY UPDATE` 最佳实践

- 在仅有一个唯一键的表上使用 `INSERT ON DUPLICATE KEY UPDATE`。此语句在检测到任何 **_唯一键_** (包括主键) 冲突时，将更新数据。在不止匹配到一行冲突时，将只会更新第一行数据。因此，除非能保证仅有一行冲突，否则不建议在有多个唯一键的表中使用 `INSERT ON DUPLICATE KEY UPDATE` 语句。
- 在仅有一个唯一键的表上使用 `INSERT ON DUPLICATE KEY UPDATE`。此语句在检测到任何 **_唯一键_** (包括主键) 冲突时，将更新数据。在不止匹配到一行冲突时，将只会更新一行数据。因此，除非能保证仅有一行冲突，否则不建议在有多个唯一键的表中使用 `INSERT ON DUPLICATE KEY UPDATE` 语句。
- 在创建或更新的场景中使用此语句。

### `INSERT ON DUPLICATE KEY UPDATE` 例子
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