An attribute whose value is computed dynamically from another attribute (such as calculating Age from Date_of_Birth) is called a what? MCQ with Answer and Explanation

Explanation:
DBMS generally involves higher initial costs and complexity compared to simple file systems, though it offers better control over redundancy, independence, and security.

Explanation:
A subquery (or nested query) is an inner SQL SELECT statement embedded within an outer statement (such as a WHERE, FROM, or SELECT clause).

Explanation:
SUBSTRING, CONCAT, and REPLACE are common string functions in SQL.