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Define Sqoop metastore? What is the purpose of Sqoop-merge?

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Sqoop meta store is a tool for using hosts in a shared metadata repository. Multiple users and remote users can define and execute saved jobs defined in metastore. End users configured to connect the metastore in sqoop-site.xml or with the

–meta-connect argument.

The purpose of sqoop-merge is:

This tool combines 2 datasets where entries in one dataset overwrite entries of an older dataset preserving only the new version of the records between both the data sets.

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