Computer Science > EXAM REVIEW > Revature Week 4 Review Questions | 50 Questions with 100% Correct Answers | Updated & Verified (All)
Revature Week 4 Review Questions | 50 Questions with 100% Correct Answers | Updated & Verified
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What is Hive? - ✔✔Hive is a tool that allows for SQL-Like querying on big data. Originally built as a way to run MapReduce jobs by writing SQL, but has since changed (We're still using Hive on M... apReduce jobs though) Where is the default location of Hive's data in HDFS? - ✔✔o In the $HIVE_HOME directory. o By default, all database and table data files are stored at /user/hive/warehouse What is an External table? - ✔✔o Data kept outside of Hive that we query using Hive What is a Managed table? - ✔✔o Data kept inside of Hive's internal data warehouse. This gives safety + efficiency on the data since Hive controls it. What is a Hive partition? - ✔✔o A Hive partition is a column of a table that we have split off into a smaller dataset. [Show More]
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