5 Updating Data Sets

This section describes how to run update operations on BDD data sets.

• About data set updates
  You can update data sets by running Refresh updates and Incremental updates with the DP CLI.
• Obtaining the Data Set Logical Name
  The Data Set Logical Name specifies the data set to be updated.
• Refresh updates
  A Refresh update replaces the schema and all the records in a project data set with the schema and records in the source Hive table.
• Incremental updates
  An Incremental update adds new records to a project data set from a source Hive table.
• Creating cron jobs for updates
  You can create cron jobs to run your Refresh and Incremental updates.