What are the main limitations of Apache Hive?

Apache Hive is a popular tool in Hadoop eco-system. Some of the limitations of Hive are as follows: OLTP: Hive

What is the difference between HBase and Hive?

HBase is a NoSQL database. It supports update, insert and delete statements at record level. HBase does not support a

What are the main components of Query Processor in Apache Hive?

The main components of Apache Hive Query Processor are as follows: Parse and SemanticAnalysis (ql/parse) Optimizer (ql/optimizer) Plan Components (ql/plan)

What is the use of IF EXISTS clause in Hive statements?

We use IF EXISTS clause in DROP TABLE statement. When we drop a table, there can be a case that