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Apache HCatalog is a project enabling non Hive scripts to access Hive tables. Users can then directly load tables with Pig or MapReduce without having to worry about re-defining the input schemas, caring about the data location or duplicating it. HCatalog is useful for accessing Hive data from Pig. Here is a tutorial about accessing the Hive example tables through HCatLoader from the Pig Editor in Hue (, the Apache Hadoop UI.

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