MySQL查询中LIMIT关键字有什么用？

示例

mysql> Select * from Student_info;
+------+---------+------------+------------+
| id   | Name    | Address    | Subject    |
+------+---------+------------+------------+
|  101 | YashPal | Amritsar   | History    |
|  105 | Gaurav  | Chandigarh | Literature |
|  125 | Raman   | Shimla     | Computers  |
|  130 | Ram     | Jhansi     | Computers  |
|  132 | Shyam   | Chandigarh | Economics  |
|  133 | Mohan   | Delhi      | Computers  |
|  150 | Saurabh | NULL       | Literature |
+------+---------+------------+------------+
7 rows in set (0.00 sec)

上面的结果集显示表“student_info”总共有 7 行。

但是，如果我们只想在输出中获取前 2 行，那么我们可以使用 LIMIT关键字后跟 2，如下 -

mysql> Select * from Student_info LIMIT 2;
+------+---------+------------+------------+
| id   | Name    | Address    | Subject    |
+------+---------+------------+------------+
|  101 | YashPal | Amritsar   | History    |
|  105 | Gaurav  | Chandigarh | Literature |
+------+---------+------------+------------+
2 rows in set (0.00 sec)

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