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1. Hive Joins | |
2. Functions SQL,Window Functions should write one example in notepad | |
3. Top 3 Records, or Top n Records | |
4. Best File formats hive : Ans Should be Parquet Why | |
5. map side vs reduce side join | |
6. Spark Connectors, Spark with Hive connectors | |
6. Reduce By vs group by (Good ANs : group by having more shuffle but in reduce by less shuffle | |
7. cache vs perist | |
8. repartition vs colasec | |
9. RDD vs Dataframe | |
10. |
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