I want to know to how many lists a user is assigned in average. User ==== id name Lists_Users =========== user_id list_id List ==== id title Is there a good way of receiving this number via ...
I'm new working with SQL Server 2008 R2 Express, and I´d like to gather some statistics every week / month for users who are connecting to this server. For instance, how many times they were ...
I'm doing a lot of work with SQL Azure at the moment, trying to improve performance of a web app. I am using the dm_exec_query_stats view to look for poor performing queries. Does anyone know a way ...
I have a Postgres database with tables in the billion scale. So any aggregate functions such as count() and avg(), as well as "order by random()" are very time consuming. Postgres has pg_catalog which ...
It's a simple select from a temporary table, left joining an existing table on its primary key, with two sub selects using top 1 referring the joined table. In code: SELECT TempTable.Col1, ...