How to use MySQL fixed-point number

This article mainly shows you "how to use MySQL fixed-point numbers", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to use MySQL fixed-point numbers" this article.

MySQL fixed point number

Principle:

Separate the integer part from the decimal part

Syntax:

Decimal (MMAE D)

Note:

Decimal is variable in length, roughly 4 bytes for every 9 digits, integers and decimals are calculated separately, M max is 65 Magi D max is 30, default is (10p2)

Both fixed-point and floating-point numbers support unsigned, showing a width of 0 fill.

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