List view

• Prototype 0

  完成查询：新注册用户的次日登录数的查询。 select count(distinct(user.uid)) from event join user on (event.uid=user.uid) where event.date='2013-02-02' and event.event='visit' and user.register_time='2013-02-01'

  Overdue by 13 year(s)

  •

  Due by March 8, 2013
  0% complete0 open0 closed