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Update MySQL高性能优化规范建议.md

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Liu Guangming 2019-05-09 13:16:29 +08:00
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docs/database/MySQL高性能优化规范建议.md
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@ -311,7 +311,7 @@ select name,phone from customer where id = '111';
### 4. 数据库设计时，应该要对以后扩展进行考虑
### 5. 程序连接不同的数据库使用不同的账号，进制跨库查询
### 5. 程序连接不同的数据库使用不同的账号，禁止跨库查询
- 为数据库迁移和分库分表留出余地
- 降低业务耦合度