Comments on: MySQL EXPLAIN limits and errors.

By: SQL teikuma izpildes plāna iegūšana - Oracle, MySQL, SQL Server « Datubāzu resurss latviski

Tue, 07 Apr 2009 06:24:30 +0000

[...] kā Oraclei arī šeit EXPLAIN komanda var melot un tai ir arī citi šādi tādi mīnusi, kā rakstīts šai MySQL Performance Blog rakstā, tiesa gan izskatās, ka MySQL nav citu alternatīvu veidu, kā 100% droši iegūt faktisko [...]

By: Ed Mazur

Ed Mazur — Sat, 27 Dec 2008 07:40:39 +0000

LIMIT is now taken into account when estimating number of rows. I’m not sure which version addressed this, but in 5.1.30, EXPLAIN accurately takes LIMIT into account.

By: Jeremy Wagner

Jeremy Wagner — Thu, 16 Oct 2008 15:55:13 +0000

Very informative. I didn’t realize MySQL’s EXPLAIN clause had these problems. I’m in the midst of building a web app that’s using a ton of tables, so use of the EXPLAIN statement will be invoked often. This’ll help me avoid a few pitfalls.

By: David

David — Thu, 26 Jun 2008 15:07:35 +0000

hi all, i was amazed after knowing that sqlyog has successfully ported as a mysql administrative tool. I must tell you this guys have awesome database management tool with cool & amazing powertools. go for it!!!

By: Introducing MySQL Visual Explain at Xaprb

Introducing MySQL Visual Explain at Xaprb — Sun, 29 Jul 2007 17:52:56 +0000

[...] themselves, and many community members, have sometimes discussed the need for a tree view of EXPLAIN. I sincerely hope they implement that feature and make this little tool obsolete in future versions [...]

By: Testing The Web Dot Com » Blog Archive » MySQL EXPLAIN limits and errors.

Tue, 25 Jul 2006 19:34:43 +0000

[...] Read the full article by Peter Zaitsev [...]