In a columnar Database, __________ uniquely identifies a record.April 24, 2021Hadoop › Category: Hadoop › In a columnar Database, __________ uniquely identifies a record. 0 Vote Up Vote Down Editor">Editor Staff asked 2 years ago In a columnar Database, __________ uniquely identifies a record. (1)Row Key(2)All the options(3)None of the options(4)Column-Key 1 Answers 0 Vote Up Vote Down Editor">Editor Staff answered 2 years ago Answer:-(1)Row Key # mangodb Articles: 40643