Question

Example(s) of Columnar Database is/are __________.

Answer 1

$\textbf{ Answer }$

This is a database management system also known as DBMS. It also stores data in the columns instead of rows.

Answer 2

Examples of Columnar Database are 'Bigtable, Cassandra, HBase, Vertica, Druid, Accumulo, and Hypertable'.

Explanation:

• A 'columnar database' is a 'database management system (DBMS)' which is used to store 'data in columns instead of rows'.  
• A 'columnar database' is better for the rapid recovery of columns of data, usually in analytical applications.
• Column-oriented storage for database tables is a crucial aspect in analytic query performance because it significantly decreases the overall disk I/O necessity and decreased the volume of data required to load from disk.

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