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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