1 .. -*- coding: utf-8; -*-

     2 .. include:: HEADER.rst

     3 

     4 ======

     5  SQL.

     6 ======

     7 .. contents::

     8 

     9 Joins.

    10 ======

    11 

    12   http://www.codinghorror.com/blog/2007/10/a-visual-explanation-of-sql-joins.html

    13                 A Visual Explanation of SQL Joins.

    14