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 ...
This chapter excerpt on Parallel SQL (download PDF) is taken from the book Oracle Performance Survival Guide: A Systematic Approach to Database Optimization. Get pertinent information on optimizing ...
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 ...