Database vendors have been advocating data partitioning techniques for managing large volumes of data over the past several years. Oracle has pioneered this trend with Oracle Database 8 and improved ...

As an Oracle performance-tuning expert, I frequently visit Oracle shops to improve system performance. Although Oracle offers many performance-tuning techniques, you can’t tune away a poor database ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

This is introductory to SQL. I have over 10 queries I need to run/learn for my SQL exam. I am given about 10 tables and to display combination of 2-3 tables in each query. Is there any website that ...

Get ready to scale out SQL Azure databases beyond today's 50GB limit with the Transact-SQL and ADO.NET elastic sharding features, which are coming in the 2011 SQL Azure Federation Community Technology ...