<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="concept" /> <meta name="DC.Title" content="Sequences" /> <meta name="abstract" content="A sequence is a data area object that provides a quick and easy way of generating unique numbers." /> <meta name="description" content="A sequence is a data area object that provides a quick and easy way of generating unique numbers." /> <meta name="DC.subject" content="sequences, definition" /> <meta name="keywords" content="sequences, definition" /> <meta name="DC.Relation" scheme="URI" content="rbafysqlobjects.htm" /> <meta name="DC.Relation" scheme="URI" content="rbafysequence.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rbafy1sequence" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Sequences</title> </head> <body id="rbafy1sequence"><a name="rbafy1sequence"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Sequences</h1> <div><p>A <dfn class="term">sequence</dfn> is a data area object that provides a quick and easy way of generating unique numbers.</p> <p>You can use sequences to replace an IDENTITY column or user-generated numeric column. A sequence has similar uses as these alternatives.</p> </div> <div> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rbafysqlobjects.htm" title="SQL objects are schemas, journals, catalogs, tables, aliases, views, indexes, constraints, triggers, sequences, stored procedures, user-defined functions, user-defined types, and SQL packages. SQL creates and maintains these objects as system objects.">SQL objects</a></div> </div> <div class="relref"><strong>Related reference</strong><br /> <div><a href="rbafysequence.htm" title="A sequence is an object that allows you to generate values quickly and easily.">Create and use sequences</a></div> </div> </div> </body> </html>