====== createSequence ======
~~NOTOC~~
<WRAP right box>
== See Also ==
[[v5:database:feature_comparison|Feature Comparison Matrix]]
== Syntax ==
  bool createSequence(
       optional string $sequenceName='adodbseq',
       optional int $startNumber
       )
       
</WRAP>
===== Description =====
The function ''createSequence()'' creates an auto-incrementing number device. If the database supports it, it uses native sequence handling routines, otherwise it emulates the functionality using a table and an auto-incrementing numbers.

Once created, numbers can retrieved using [[v5:reference:genid|genId()]].
----------------------------------------
===== Usage =====
<code php>
/*
 * Connection assumed
 */

/*
 * Create a sequence called my_sequence, using default start of 1
 */
$db->createSequence('my_sequence');
</code>