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0420修改分组、聚合函数

wanglilin 3 years ago
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a2ea6c783e
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      sql/05.group.md

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sql/05.group.md

@@ -1,7 +1,7 @@
 # 分组、聚合函数
 # 分组、聚合函数
 
 
 ```sql
 ```sql
---建表#employees
+--建表employees
 create table employees(
 create table employees(
 	number		char(8)		primary key,
 	number		char(8)		primary key,
 	name		char(20)	not null,
 	name		char(20)	not null,