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  • SQL SELECT COUNT

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    To return the number of rows in a query,we use COUNT. It counts the numbers of records.

    the syntax of SQL COUNT statement.

    SELECT COUNT (expression)  
    FROM tables  
    WHERE conditions; 
    

    SQL SELECT COUNT(column_name)

    SELECT COUNT(name) FROM employee _table;  
    

    It will return the total number of names of employee_table. But null fields will not be counted.

    SQL SELECT COUNT(*)

    SELECT COUNT(*) FROM employee_table; 
    

    used to return the number of records in table.

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