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→Updating Expressions
===Updating Expressions===
There are five new expressions to modify data. While {{Mono|insert}}, {{Mono|delete}}, {{Mono|rename}} and {{Mono|replace}} are basically self-explanatory, the {{Mono|transform}} expression is different, as modified nodes are copied in advance and the original databases remain untouched.
An expression consists of a target node (the node we want to alter) and additional information like insertion nodes, a QName, etc. which depends on the type of expression. Optional modifiers are available for some of them. You can find a few examples and additional information below.
