# HG changeset patch
# User Oleksandr Gavenko <gavenkoa@gmail.com>
# Date 1451758231 -7200
# Node ID 9b224b68c1e1b8b162e98af157d7144d6a7d06e5
# Parent  c6be6cc87df41fc7b3d078a0bb1d3352784bee3e
Debugging quiery performance.

diff -r c6be6cc87df4 -r 9b224b68c1e1 mysql.rst
--- a/mysql.rst	Wed Dec 30 11:40:18 2015 +0200
+++ b/mysql.rst	Sat Jan 02 20:10:31 2016 +0200
@@ -76,6 +76,17 @@
   MariaDB [mysql]> SHOW ERRORS;
   MariaDB [mysql]> show engine innodb status;
 
+Debugging quiery performance.
+=============================
+::
+
+  explain select 1;
+
+..
+
+  https://mariadb.com/kb/en/mariadb/explain/
+    Syntax and transcription of EXPLAIN.
+
 Monitor server execution.
 =========================