Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...

Q&A Performance Tuning SQL Server Using Wait Statistics Thomas LaRock: "Without a basic understanding of wait events and how the occur, you will waste a lot of time trying and guessing at how to ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

Various Oracle memory internals will be examined including the discovery and usage of key high performance DBMS packages and views, use of the Automatic Diagnostics Repository (ADR) interface, ...