Since window functions cannot be included in the WHERE clause of the inner SELECT, is there another method that could be used to write this query without the outer SELECT statement? I'm using Oracle. ...
So, if I wanted to know how many events a certain user bought in certain timeframe windows. I will use 7 for the example, but the query should accept this number of days as a parameter, which will be ...
I want to do something like the following: with w as ( select level as foo, decode(level,8,1,mod(level,4))*100 as bar from dual connect by level<9 ) select foo, ...