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    12 <concept xml:lang="en" id="GUID-DF1C3E6D-9133-530B-B318-66F0E6CDB3AD"><title>Non persistent stores</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>A non-persistent store does not have a root stream and does not support the notion of open and close. A non-persistent store exists for the life of the object which represents that store.</p> <p>A non-persistent store object cannot be discarded without losing all the data. </p> <p>The main type of non-persistent store is the buffer store, which holds all its stream data in a memory buffer.</p> <section><title>See also</title> <p><xref href="GUID-EEA5F7C6-8916-5FB9-8367-002F41A576D4.dita">Memory stores</xref> </p> </section> </conbody></concept>