Upcoming Events: SQL Saturday Spokane

Key Details What: SQL Saturday SpokaneWhere: EWU Computer Science and Engineering Building, 837-979 Washington St., Cheney, Washington, 99004When: Saturday, March 23rd, all dayAdmission is free. Sign up at the SQL Saturday website. What I’m Presenting 10:15 AM — 11:30 AM — Data Cleaning with SQL and R Bonus Victory Burrito Content Cheney, Washington is the home…

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PolyBase Revealed: MRAppMaster Errors

Let me tell you about one of my least favorite things I like to see in PolyBase: Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster This error is not limited to PolyBase but is instead an issue when trying to run MapReduce jobs in Hadoop. There are several potential causes, so let's cover each…