mysql5.7官网直译数据类型--数字类型详解

11.2 Numeric Types 数字类型 11.2.1 Integer Types (Exact Value) - INTEGER, INT, SMALLINT, TINYINT, MEDIUMINT, BIGINT 整数类型(精确值) 11.2.2 Fixed-Point Types (Exact Value) - DECIMAL, NUMERIC 定点类型 11.2.3 Floating

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