Myth Directory


In an attempt to thin out the dark woods of database performance myths, I list and explain some of the most common myth and misbeliefs here.

About the Author

Photo of Markus Winand
Markus Winand tunes developers for high SQL performance. He also published the book SQL Performance Explained and offers in-house training as well as remote coaching at http://winand.at/

?Recent questions at
Ask.Use-The-Index-Luke.com

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Join with inequalities only

Dec 16 '14 at 12:06 Markus Winand ♦♦ 936
inequality join
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PostgreSQL Scripts: Performance Testing and Scalability problem and question

Nov 12 '14 at 14:53 Markus Winand ♦♦ 936
testing postgresql scalability
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PostgreSQL Bitmap Heap Scan on index is very slow but Index Only Scan is fast

Oct 31 '14 at 11:31 Markus Winand ♦♦ 936
index postgresql postgres sql