数据库/LIMIT分页查询的错误

数据库/数据库.md

@@ -254,6 +254,7 @@ SELECT * FROM Student ORDER BY Sage;
 SELECT * FROM Student ORDER BY Sdept, Sage desc; //先按专业升序排序，然后同一专业按年龄降序排序
 ```
 
+
 ### 4）LIMIT
 
 > 可以用于强制`SELECT`返回指定的记录数
@@ -269,6 +270,23 @@ SELECT * FROM Student ORDER BY Sdept, Sage desc; //先按专业升序排序，
 SELECT * FROM Student LIMIT 5, 10;  //返回记录行6-15
 SELECT * FROM Student LIMIT 5;      //返回前5个记录行
 ```
+**修改**
+### 4）LIMIT
+
+```sql
+SELECT * FROM Students LIMIT <M> OFFSET <N>
+```
+> 分页查询相关内容
+
+* 1个参数LIMIT <M> 表示显示页的容量 pageSize
+* 2个参数OFFSET <N> N由要查询的页数确定 pageSize*(pageIndex-1)
+
+```sql
+SELECT * FROM Students LIMIT 4 OFFSET 0 //每页四条记录值，查询第一页
+SELECT * FROM Students LIMIT 4, 0;
+SELECT * FROM Student LIMIT 5, 10;     //返回记录行10-15
+```
+
 
 ### 5）聚集函数