
正文
mysql中DATETIME,DATE和TIMESTAMP的区别整理
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简而言之、看格式,
DATE 是 年月日YYYY-MM-DD,
DATETIME 是 年月日时分秒YYYY-MM-DD HH:MM:SS,
TIMESTAMP是 年月日时分秒YYYY-MM-DD HH:MM:SS。
然后就是区别,
DATETIME支持范围:'1000-01-01 00:00:00'到'9999-12-31 23:59:59'
TIMESTAMP支持范围:格式一样,但不能早于1970或晚于2037
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7.8 磅
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5.5和之前的版本中,如果一个表中有多个timestamp列,那么最多只能有一列能具有自动更新功能。
?DATETIME存储8个字节,实际格式,与时区无关
TIMESTAMP存储4个字节,UTC格式,时区转化
5.5和之前的版本中,如果一个表中有多个timestamp列,那么最多只能有一列能具有自动更新功能
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