MySQL: BOOLEAN (aka tinyint(1)) vs BIT

What is the dif开发者_如何学Pythonference between BIT and BOOLEAN?

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tinyint(1) is an integer type with a defined display width of 1. The BIT data type represents bit-field values which can have from 1 to 64 bits.

The storage size of tinyint is always 1 byte while the storage size of BIT(n) is approximately INT((n+7)/8) bytes

You can write to a BIT field using a special notation e.g. b'1111', don't think you can use this with INT/TINYINT fields