Writing SQL for performance can also avoid having to respond to an urgent problem with performance in a production environment. To a considerable extent, a person can choose whether they are running ...

Hello to all, I have to design a SQL query on an Oracle 10 DB. I want to do it in an elegant way and avoid, if possible, using sub-queries and in the most portable way possible. Basically it's ...

Here's my problem:I'm trying to execute a fairly simple SQL query in a web app I'm working on. It's for a jewelry store, and it is part of the "Find a diamond" feature.The SQL syntax is something ...