Mysql中的from_unixtime,unix_timestamp 整型与datetime 字符串之间的转换
2013-10-29 14:54
537 查看
select from_unixtime(lasttalktime),lasttalktime from im_ims_friend
select unix_timestamp('2013-10-13')
select count(*) from im_ims_friend where lasttalktime>unix_timestamp('2013-10-13')
select count(*) from im_ims_friend_copy where lasttalktime>unix_timestamp('2013-10-28') and userid=6736359
INSERT INTO im_ims_friend SELECT * FROM im_ims_friend_copy where lasttalktime>unix_timestamp('2013-10-20')
delete FROM im_ims_friend where lasttalktime>unix_timestamp('2013-10-20') and lasttalktime<unix_timestamp('2013-10-23')
select unix_timestamp('2013-10-13')
select count(*) from im_ims_friend where lasttalktime>unix_timestamp('2013-10-13')
select count(*) from im_ims_friend_copy where lasttalktime>unix_timestamp('2013-10-28') and userid=6736359
INSERT INTO im_ims_friend SELECT * FROM im_ims_friend_copy where lasttalktime>unix_timestamp('2013-10-20')
delete FROM im_ims_friend where lasttalktime>unix_timestamp('2013-10-20') and lasttalktime<unix_timestamp('2013-10-23')
select
from_unixtime(1210003200) datetime
相关文章推荐
- Mysql日期时间类型(DATE,DATETIME,TIMESTAMP)和函数及与linux系统时间之间的转换(UNIX_TIMESTAMP、FROM_UNIXTIME)
- MySQL查询中时间转换--UNIX_TIMESTAMP()和from_unixtime()的使用
- MySQL 格式化日期函数 DATE_FORMAT(), FROM_UNIXTIME() 和 UNIX_TIMESTAMP() 之间区别
- mysql版本 5.6.10,UNIX_TIMESTAMP和FROM_UNIXTIME支持最大时间戳转换
- Mysql unix_timestamp() FROM_UNIXTIME和DATE_FORMAT(date,format)
- mysql 中 unix_timestamp和from_unixtime 时间戳函数
- 善用mysql中的FROM_UNIXTIME()函数和UNIX_TIMESTAMP()函数
- MYSQL DATE_FORMAT以及UNIX_TIMESTAMP 和FROM_UNIXTIME 函数整理
- MySQL DATETIME类型和Timestamp之间的转换
- MySQL的FROM_UNIXTIME()和UNIX_TIMESTAMP()函数的区别
- mysql 中 unix_timestamp和from_unixtime 时间戳函数
- sql 时间转换问题 from_unixtime() UNIX_TIMESTAMP()
- unix下c编程成长之路-------字符串与整型之间的转换
- mysql 中 unix_timestamp和from_unixtime 时间戳函数
- mysql 5.6 时间函数的变化 FROM_UNIXTIME CURRENT_TIMESTAMP
- mysql中UNIX_TIMESTAMP和FROM_UNIXTIME时间戳
- MySQL的FROM_UNIXTIME()和UNIX_TIMESTAMP()函數的區別
- mysql 中 unix_timestamp和from_unixtime 时间戳函数
- MySQL的FROM_UNIXTIME()和UNIX_TIMESTAMP()函数的区别
- mysql 中 unix_timestamp,from_unixtime 时间戳函数