Database Management Systems (DBMS)
What is the function or purpose of NoSQL database?
- A. A normalization level in which a table is in second normal form and has no transitive dependencies on the primary key.
- B. A subset of SQL commands used to manage data within tables, such as INSERT, UPDATE, and DELETE.
- C. A type of database designed for storing and retrieving unstructured or semi-structured data without a fixed table schema. ✓
- D. A set of techniques used in a DBMS to ensure correct results for concurrent transaction operations.
Correct answer
C. A type of database designed for storing and retrieving unstructured or semi-structured data without a fixed table schema.
Explanation
NoSQL database refers to a type of database designed for storing and retrieving unstructured or semi-structured data without a fixed table schema.