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How can we combine ROW selection with COLUMN selection in MySQL?
For combining ROW selection with COLUMN selection, we can use the ‘WHERE’ clause. For example, we have a table below −
mysql> Select * from Student; +--------+--------+--------+ | Name | RollNo | Grade | +--------+--------+--------+ | Gaurav | 100 | B.tech | | Aarav | 150 | M.SC | | Aryan | 165 | M.tech | +--------+--------+--------+ 3 rows in set (0.00 sec)
Now, the following query will show how we can combine ROW selection with COLUMN selection using WHERE clause.
mysql> Select Name, RollNo, Grade from Student where Grade='M.Sc' or Grade='B.Tech'; +--------+--------+--------+ | Name | RollNo | Grade | +--------+--------+--------+ | Gaurav | 100 | B.tech | | Aarav | 150 | M.SC | +--------+--------+--------+ 2 rows in set (0.00 sec)
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