我正在尝试获取MySQL查询中的变量。$filter;$lastonline = mysql_query("SELECT * FROM logins ORDER BY time DESC GROUP BY username '$limit'");}
$lastonline = mysql_query("SELECT *
='' order by rand() limit 1)(select * from my_table where image!='' order by rand() limit 1)(select * from my_table where image!='' order by rand() limit 1)(select * from my_table where image!='' order by rand
每当我调用php脚本时,是否可以从mysql数据库中选择一个新行?例如,每次调用下面的php脚本时,我都需要从mysql数据库中获取一个新的电子邮件地址。我知道mysql的ORDER BY RAND ()函数;在这里我需要根据它们的进入日期(即ORDER BY created_on DESC)来获取每一行。// Add recepients from a datasoutce iteratively
$emails = mysql_query('SELECT email fr
我的一个MySQL查询遇到了问题: Proportion1,billionPIT),SUM(TOS),SUM(Actual_PIT),SUM(Actual_TOS)GROUP BY 'sum(Billion)'LIMIT我也试过只使用LIMIT 100,但是什么都不能用。我尝试(第一次)在MySQL<e