In the relational model, what is the term used to describe the header or definition of a table specifying its name and attributes? MCQ with Answer and Explanation

Explanation:
The LIKE operator is specifically used in a WHERE clause to perform pattern matching on string columns using wildcards (% and _).

Explanation:
A primary key uniquely identifies each record and cannot contain null values.

Explanation:
ACID stands for Atomicity, Consistency, Isolation, and Durability. Durability ensures that once a transaction commits, its changes survive system failures.