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# Fast Query

Fast queries are a subset of the XML Query language, enabling users to run queries more quickly. A fast query can be used when the exact path to the information is known. A fast query accepts single slashes, nodes, and brackets. It is used for returning a single value, does not accept attributes, and cannot be used with Multiple Query Matching.

Examples of fast queries:

    lr.xmlGetValues("Xml={CdCatalog}",

        "ValueParam=OutputParam",

        "FastQuery=/catalog/cd[1000]/title",

        LAST );

    lr.xmlExtract("Xml={CdCatalog}",

        "XMLFragmentParam=OutputParam",

        "FastQuery=/catalog/cd[5000]",

        LAST );

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