For this, you can use UNION ALL operator. Let us first create a table −
mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Subject varchar(100) -> ); Query OK, 0 rows affected (0.64 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable(Subject) values('MySQL'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable(Subject) values('MySQL'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable(Subject) values('MongoDB'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable(Subject) values('MongoDB'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable(Subject) values('MySQL'); Query OK, 1 row affected (0.27 sec) mysql> insert into DemoTable(Subject) values('Java'); Query OK, 1 row affected (0.25 sec) mysql> insert into DemoTable(Subject) values('MySQL'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable(Subject) values('MongoDB'); Query OK, 1 row affected (0.14 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable;
Output
+----+---------+ | Id | Subject | +----+---------+ | 1 | MySQL | | 2 | MySQL | | 3 | MongoDB | | 4 | MongoDB | | 5 | MySQL | | 6 | Java | | 7 | MySQL | | 8 | MongoDB | +----+---------+ 8 rows in set (0.00 sec)
Following is the query to implement multiple WHERE with LIMIT in MySQL −
mysql> (select *from DemoTable where Subject='MySQL' limit 3) -> union all -> (select *from DemoTable where Subject='MongoDB' limit 5) -> ;
Output
+----+---------+ | Id | Subject | +----+---------+ | 1 | MySQL | | 2 | MySQL | | 5 | MySQL | | 3 | MongoDB | | 4 | MongoDB | | 8 | MongoDB | +----+---------+ 6 rows in set (0.00 sec)