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 ...