PostgreSQL & Explaining Explain At Penguicon 5.0 in 2007, Aaron Thul explains explain. Tuning SQL queries is one of the facts of life for anyone working with databases, and in PostgreSQL the key to doing this well is the mysterious explain command. In this talk, Aaron demystifies this handy tool so that youâll be able to spot trouble faster and know when youâre making improvements.
![[help]](/images/question.gif "[help]")
)![[Attribution-Noncommercial-No Derivative Works 3.0]](http://i.creativecommons.org/l/by-nc-nd/3.0/88x31.png "[Attribution-Noncommercial-No Derivative Works 3.0]")