As a consultant whose job description includes putting out performance fires, I get to see a lot of problematic queries that can dramatically harm overall server performance and throughput. Wondering ...

For developers working with SQL Server, few performance tuning techniques are as essential--or as frequently misunderstood--as indexing. Done right, indexing can drastically improve application ...

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 ...

Latest cumulative updates focus on stability, security and performance improvements across SQL Server deployments.

Schema design, indexes, queries, configs, I/O... what could go wrong? Follow these 10 essential tips to keep your MySQL servers humming. MySQL is the world’s most widely used open source database, and ...