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 ...

Really simple SQL question...How do I write a query that checks if something exists in a table, and if it does, it updates, if it doesn't, it inserts it ...

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 ...

Airbnb has open sourced Airpal, the tool it built to help employees get to data they need to use. It's built on Facebook's open source Presto SQL engine.

To query any SQL database from PowerShell, you need to have the SQLPS module installed along with a few supporting packages. I am going to be focusing on the SQL Server 2012 packages in this article.