decimal类型 MysqlDataTruncation: Data truncation: Out of range value for column ‘unit_price‘ at row 1

今天程序中报了个错,错误的大概意思是unit_price字段被截断了,为什么会被截断呢,数据库的长度不够,那么navicat中显示的长度,到底是什么意思呢?
100.123456的长度为9位,小数点6位
123.45678的长度为8位,小数点5位
123的长度为3位,小数点0位

Cause: com.mysql.cj.jdbc.exceptions.MysqlDataTruncation: Data truncation: Out of range value for column 'unit_price' at row 1
; Data truncation: Out of range value for column 'unit_price' at row 1; nested exception is com.mysql.cj.jdbc.exceptions.MysqlDataTruncation: Data truncation: Out of range value for column 'unit_price' at row 1

decimal类型 MysqlDataTruncation: Data truncation: Out of range value for column ‘unit_price‘ at row 1
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