quest diagnostics

System Information & Diagnostics Utility for Windows. Freeware.

Items from Indy's quest to discover the fabled Holy Grail.

Spotlight on MySQL diagnoses performance issues by displaying all DB activity

It enables users to conduct repeatable and measurable database performance.

Toad for SQL Server provides a development UI that improves productivity

Database Performance and Scalability Testing for Oracle, SQL Server, Sybase, DB2