Update 02-database.md

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wade zhang 2022-11-15 10:32:56 +08:00 committed by GitHub
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@ -142,10 +142,10 @@ SHOW CREATE DATABASE db_name;
### 查看数据库参数 ### 查看数据库参数
```sql ```sql
select * from information_schema.ins_databases \G; SELECT * FROM INFORMATION_SCHEMA.INS_DATABASES WHERE NAME='DBNAME' \G;
``` ```
会列出系统中所有数据库的配置参数,并且每行只显示一个参数。 会列出指定数据库的配置参数,并且每行只显示一个参数。
## 删除过期数据 ## 删除过期数据