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This article will explain in detail how to use the where clause in the sql query. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

The use of the where clause in a sql query indicates the query condition.

SQL WHERE clause

The WHERE clause is used to extract records that meet the specified criteria.

SQL WHERE syntax

SELECT column_name,column_nameFROM table_nameWHERE column_name operator value

Operators in the WHERE clause

The following operators can be used in the WHERE clause:

The operator description = equals not equals. Note: in some versions of SQL, this operator can be written as! = > greater than or equal to

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