Hive

• Hive components and their role (Driver, Compiler, Metastore, Execute Engine, Optimizer)

• Shema on read vs Shema on write

• Metastore

• Beeline versus Hive CLI

• Partitions and Buckets

• View vs Temporary table

• Engine Compare (TEZ vs MR vs Spark)

• UDF (description; classification; ObjectInspector; Python?)

• SQL vs HQL

• ACID Hive? requrements.

• Vectorization

• CBO