摘要:
查询表中重复的记录(以name,及price为条件,两条以上同样的记录) 方法1:select name,price, count(*) as b from EXPORT_TABLE where b>1 group by name,price order by b desc 方法2:sqlstr="select price,isbn from EXPORT_TABLE group ... 阅读全文
摘要:
在地址栏输入javascript:void(document.body.oncontextmenu='') 阅读全文