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I use MySQL database (innodb)
I use Visual Basic 2008
I have a table Employees with two fields EmpNo and Managerno
ALTER TABLE Employees ADD PRIMARY KEY (EmpNo
CREATE INDEX index_Managerno ON Employees (ManagerNo)
How do i now IF Mysql using this index is if i do this:
SELECT * FROM Employees WHERE Managerno = 123451

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Last Post by Nutster
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