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| '''Summary'''
|Returns the ''pre'' values of all the nodes supplied by {{Code|$nodes}} of the database specified by the , which must all be [[#Database Nodes|database nodenodes]] {{Code|$db}}.<br/>The ''pre'' value provides access to a database node in constant time, but it is ''transient'', i.e., it may change when database updates are performed.|-| '''Errors'''|{{Error|BXDB0001|#Errors}} contains a node which is not a [[#Database Nodes|database node]].
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| '''Examples'''
