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Update docs.md #1103

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May 29, 2021
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Update docs.md #1103

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Expand Up @@ -32,7 +32,7 @@ MySQL数据库与 Oracle、 SQL Server 等数据库相比，有其内核上的

### 2.1.1 库名

1. 【强制】库的名称必须控制在32个字符以内，相关模块的表名与表名之间尽量提现join的关系，如user表和user_login表。
1. 【强制】库的名称必须控制在32个字符以内，相关模块的表名与表名之间尽量体现join的关系，如user表和user_login表。
2. 【强制】库的名称格式：业务系统名称_子系统名，同一模块使用的表名尽量使用统一前缀。
3. 【强制】一般分库名称命名格式是`库通配名_编号`，编号从0开始递增，比如`wenda_001`以时间进行分库的名称格式是“库通配名_时间”
4. 【强制】创建数据库时必须显式指定字符集，并且字符集只能是utf8或者utf8mb4。创建数据库SQL举例：`create database db1 default character set utf8;`。
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