Which SQL operator is used to check if a value is within a range? MCQ with Answer and Explanation

Explanation:
Referential integrity ensures that relationships between tables remain consistent, meaning foreign key values must have corresponding primary key values.

Explanation:
DELETE is a DML command that can be rolled back and can use WHERE; TRUNCATE is a DDL command that removes all rows and cannot be rolled back (in some DBMS) and resets auto-increment counters.

Explanation:
A Relation Schema defines the structure of a relation, specifying its name and the list of attributes along with their data types.