Include only local subsections into TOC. This prevent duplication of
TOC when build single page HTML document. Also this make unnecessary CSS hack
to hide document title as top level section.
.. -*- coding: utf-8; -*-
.. include:: HEADER.rst
======
SQL.
======
.. contents::
:local:
Joins.
======
http://www.codinghorror.com/blog/2007/10/a-visual-explanation-of-sql-joins.html
A Visual Explanation of SQL Joins.
Primary key length.
===================
For ``int`` type (32-bit): ``NUMBER(9)``. For ``long`` type (64-bit):
``NUMBER(18)``.
Oracle allow up to 38 significant digits in ``NUMBER`` and up to 28 digits in
``SEQUENCE``.
http://docs.oracle.com/cd/B28359_01/server.111/b28318/datatype.htm
Oracle Data Types
http://docs.oracle.com/cd/B28359_01/server.111/b28286/statements_6015.htm
CREATE SEQUENCE.
http://docs.oracle.com/cd/E19501-01/819-3659/gcmaz/index.html
Java Type to SQL Type Mappings.