New answers tagged view
Long story short: You do not have the user 'lumicrm'@'%' on the DB Server. Login to MySQL and run SELECT user,host FROM mysql.user WHERE user='lumicrm'; Let's say you see the user 'lumicrm'@'localhost' You have to create the user so that the view can be recognized. There are three(3) things you can try Try This #1 Login to MySQL as lumicrm and run ...
I would like to suggest the following: SUGGESTION #1 : Query as follows SET @GivenKind = '...'; SET @GivenDate = d; SELECT * FROM table WHERE kind=@GivenKind AND startdate < @GivenDate ORDER BY startdate DESC LIMIT 1; SUGGESTION #2 : Define a Good Index In your question you said Actually in the real problem column named here startdate and kind ...
This is easy. let @d be the date and @k be the kind : select * from table a where startdate = (select max(b.startdate) from table b where b.startdate < @d and b.kind = @k) and a.kind = @k
Partitioned views are a (very) old technique for partitioning data that are very rarely used today. Oracle added the ability to partition tables back in Oracle 8, which provides much more functionality than partitioned views, at which point partitioned views became obsolete. The only reason to consider using partitioned views would be if you can't afford a ...
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