php下巧用select语句实现mysql分页查询
mysql分页查询是我们经常见到的问题,那么应该如何实现呢?下面就教您一个实现mysql分页查询的好方法,供您参考学习。
利用select语句的一个特性就可以很方便地实现mysql查询结果的分页,下文对该方法的实现过程作了详细的介绍,希望对您能有所启迪。mysql分页查询是我们经常见到的问题,那么应该如何实现呢?下面就教您一个实现mysql分页查询的好方法,供您参考学习。
mysql中利用select语句的一个特性就可以很方便地实现查询结果的分页,select语句实现mysql分页查询的语法:
代码如下:
SELECT [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [HIGH_PRIORITY]
[DISTINCT | DISTINCTROW | ALL]
select_expression,...
[INTO OUTFILE 'file_name' export_options]
[FROM table_references
[WHERE where_definition]
[GROUP BY col_name,...]
[HAVING where_definition]
[ORDER BY {unsigned_integer | col_name | formula} [ASC | DESC] ,...]
[LIMIT [offset,] rows]
[PROCEDURE procedure_name] ]
LIMIT子句可以用来限制由SELECT语句返回过来的数据数量,它有一个或两个参数,如果给出两个参数,第一个参数指定返回的第一行在所有数据中的位置,从0开始(注意不是1),第二个参数指定最多返回行数。例如:
代码如下:
select * from table LIMIT 5,10; #返回第6-15行数据
select * from table LIMIT 5; #返回前5行
select * from table LIMIT 0,5; #返回前5行
以上就是实现mysql分页查询的过程。

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