摘要:
mysql> select FROM_UNIXTIME(1156219870,'%y-%m-%d');+--------------------------------------+| FROM_UNIXTIME(1156219870,'%y-%m-%d') |+--------------------------------------+| 06-08-22 |+--------------------------------------+1 row in set (0.03 sec)mysql> SELECT UNIX_TIMESTAMP( 阅读全文
摘要:
提取字符提取数值 阅读全文