CALL statements invoke procedures. Procedures can be called by an application program, or by other procedures and triggers.
The following statement calls the NewDepartment procedure to insert an Eastern Sales department:
CALL NewDepartment( 210, 'Eastern Sales', 902 );
After this call, you may want to check the Departments table to see that the new department has been added.
All users who have been granted EXECUTE permissions for the procedure can call the NewDepartment procedure, even if they have no permissions on the Departments table.
Another way of calling a procedure that returns a result set is to call it in a query. You can execute queries on result sets of procedures and apply WHERE clauses and other SELECT features to limit the result set.
SELECT t.ID, t.QuantityOrdered AS q FROM ShowCustomerProducts( 149 ) t;
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