<html> <head> <META http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Types Of Locks</title> <link rel="stylesheet" type="text/css" href="../../../style.css"> </head> <body> <div class="CommonContent"> <div class="CommonContentArea"> <h1>Types Of Locks</h1><p>Locking can also be classified by the entities that are being locked. Usually the following types are distinguished:</p> <ul class="unIndentedList"><li> Page locking: all the data on a specific memory page is locked.</li><li> Cluster locking: all the objects in a cluster are locked (applies only to cluster-enabled object databases).</li><li> Class or table locking: all objects of a class (OODBMS) or all rows in a table (RDBMS) will be locked.</li><li>Object or instance locking: a single object (OODBMS) or a single relational tuple (RDBMS) will be locked. </li></ul></div> </div> <div id="footer"> This revision (2) was last Modified 2007-06-13T18:36:27 by Tetyana. </div> </body> </html>