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SQL WHERE

A WHERE clause in SQL is a data manipulation language statement.

WHERE clauses are not mandatory clauses of SQL DML statements. But it can be used to limit the number of rows affected by a SQL DML statement or returned by a query.

Actually. it filters the records. It returns only those queries which fulfill the specific conditions.

WHERE clause is used in SELECT, UPDATE, DELETE statement etc.

Let's see the syntax for sql where:

WHERE clause uses some conditional selection

=equal
>greater than
<less than
>= greater than or equal
<=less than or equal
< >not equal to
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