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New Contributor III
New Contributor III
since ‎08-21-2021
3 weeks ago

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  • 6 Posts
  • 0 Solutions
  • 2 Kudos given
  • 2 Kudos received

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If I run OPTIMIZE on a Delta Lake table, will it prevent me from time travelling to a version before OPTIMIZE was run?
I see that Delta Lake has an OPTIMIZE command and also table properties for Auto Optimize. What are the differences between these and when should I use one over the other?
I'm trying to use the native execution engine, Photon. How can I tell if a query is using Photon or is falling back to the non-native Spark engine?
I am running jobs on Databricks using the Run Submit API with Airflow. I have noticed that rarely, a particular run is run more than one time at once. Why?
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