Mysql数字类型转换函数_MySQL
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Mysql数字类型转换函数 1、将Int 转为varchar经常用 concat函数，比如concat(8,'0') 得到字符串 '80' 2、将varchar 转为Int 用 cast(a as signed) a为varchar类型的字符串 www.bitsCN.com 总结：类型转换和SQL Server一样,就是类型参数有点点不同:CAST(xxx AS类型),CONVERT(xxx,类型) 可用的类型 二进制,同带binary前缀的效果 : BINARY 字符型,可带参数 : CHAR() 日期 : DATE 时间: TIME 日期时间型 : DATETIME 浮点数 : DECIMAL 整数 : SIGNED 无符号整数 : UNSIGNED
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