I\'ve got the following SQL Statement that needs some major speed up.The problem is I need to search on two fields, where each of them is calling several sub-selects.Is there a way to join the two fie
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it开发者_运维百科; I don\'t know why.
I\'m noticing something a bit unexpected with 开发者_开发技巧how SQL Server (SQL Server 2008 in this case) treats correlated subqueries within a select statement.My assumption was that a query plan sh
I have five tables in my database. Members, items, comments, votes and countries. I want to get 10 items. I want to get the count of comments and votes for each item. I also want the member that submi
In SQL Server 2008: I have one table, and I want to do something along the following lines: SELECT T1.stuff, T2.morestuff from
I have two tables, news and news_views. Every time an article is viewed, the news id, IP address and date is recorded in news_views.
This one seems to be a simple problem, but I can\'t make it work in a single select or nested select. Retrieve the authors and (if any) advisers of a
I am trying to write a query that will return all orders that only have a Subscription included.It is easy enough to write a query that includes all Orde开发者_JAVA技巧rs with Subscriptions, another t
I have three tables shipment (shipment_id, shipping_date) company_order (company_order_id, shipment_id, company_id)
I was reading the great tagging article by Nitin Borwankar and he started me thinking of the ways to implement differnet levels of searches using two tables.