Problem can be solved by using shorter unique keys like this
`UNIQUE KEY instructor_name (instructor_name(40))
How many times you've instructors that have first 10 letters the same? Not very often, i hope :)
Problem can be solved by using shorter unique keys like this
`UNIQUE KEY instructor_name (instructor_name(40))
How many times you've instructors that have first 10 letters the same? Not very often, i hope :)