Hi, if I make a column INT(255), and I know 100% sure that no data will be no more than 5 numbers long, am I *using* any extra CPU resources, or is it exactly the same?
Thank you
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Hi, if I make a column INT(255), and I know 100% sure that no data will be no more than 5 numbers long, am I *using* any extra CPU resources, or is it exactly the same?
Thank you
An int column will always use 4 bytes for storage. The 255 only affects the display format.