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Explain what is a Hive variable. What do we use it for?
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How do you check if a particular partition exists?
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How do you write your own SerDe?
Where is table data stored in Apache Hive by default?
What does the following query do? Insert overwrite table employees partition (country, state) select ..., Se.cnty, se.st from staged_employees se;
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What do you mean by schema on reading?
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