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Is MySQL LIMIT applied before or after ORDER BY?
The MySQL LIMIT is applied after ORDER BY. Let us check the limit condition. Firstly, we will create a table −
mysql> create table LimitAfterOrderBy −> ( −> Id int, −> Name varchar(100) −> ); Query OK, 0 rows affected (0.50 sec)
Insert some records in the table using insert command. The query is as follows −
mysql> insert into LimitAfterOrderBy values(101,'John'); Query OK, 1 row affected (0.18 sec) mysql> insert into LimitAfterOrderBy values(102,'Carol'); Query OK, 1 row affected (0.15 sec) mysql> insert into LimitAfterOrderBy values(103,'Bob'); Query OK, 1 row affected (0.21 sec) mysql> insert into LimitAfterOrderBy values(104,'Sam'); Query OK, 1 row affected (0.15 sec)
Display all records from the table using select statement. The query is as follows −
mysql> select *from LimitAfterOrderBy;
The following is the output −
+------+-------+ | Id | Name | +------+-------+ | 101 | John | | 102 | Carol | | 103 | Bob | | 104 | Sam | +------+-------+ 4 rows in set (0.00 sec)
Here is the query when LIMIT comes after ORDER BY −
mysql> select *from LimitAfterOrderBy order by Name limit 4;
The following is the output −
+------+-------+ | Id | Name | +------+-------+ | 103 | Bob | | 102 | Carol | | 101 | John | | 104 | Sam | +------+-------+ 4 rows in set (0.00 sec)
Updated on: 30-Jul-2019
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