Question

What is the purpose of a FOREIGN KEY constraint?

A To uniquely identify each row in a table
B To prevent NULL values in a column
C To speed up query execution automatically
D To enforce a link between the data in two tables, referencing the primary key of another table
E To create an index on a column
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)