mysql 时间类型总结
MySQL数据库中关于日期、时间的类型有以下四中:Date,DateTime,TimeStamp和Time 1、DATETIME类型:用在你需要同时包含日期和时间信息的时。MySQL检索并且以'YYYY-MM-DD HH:MM:SS'式显示DATETIME,支持的范围是'1000-01-01 00:00:00'到'9999-12-31 23:59:59'
MySQL数据库中关于日期、时间的类型有以下四中:Date,DateTime,TimeStamp和Time
1、DATETIME类型:用在你需要同时包含日期和时间信息的值时。MySQL检索并且以'YYYY-MM-DD HH:MM:SS'格式显示DATETIME值,支持的范围是'1000-01-01 00:00:00'到'9999-12-31 23:59:59'。
2、DATE类型用在你仅需要日期值时,没有时间部分。MySQL检索并且以'YYYY-MM-DD'格式显示DATE值,支持的范围是'1000-01-01'到'9999-12-31'。
3、TIMESTAMP类型:提供日期和时间信息,同样以'YYYY-MM-DD HH:MM:SS'格式显示。和datetime类型的区别是保存的时间较小,年的数字在:1970 --2037 之间。你可以使用它自动地用当前的日期和时间标记INSERT或UPDATE的操作(默认更新时自动刷新)。
4、TIME数据类型表示一天中的时间。MySQL检索并且以"HH:MM:SS"格式显示TIME值。支持的范围是'00:00:00'到'23:59:59'。
实例:
test表结构:
插入数据:
查看:
更新:
timestamp字段插入时也会自动填充。

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