Question
Which of the following correctly describes a 'primary key' in a relational database?
More IT DBMS Questions
- A table T(A,B,C) has functional dependencies A→B and B→C. Which statement about A is necessarily true?
- Which of the following is a common technique for concurrency control in databases?
- A B+ tree index is built on an attribute used mainly for range queries. Why is a B+ tree generally preferable to a hash index for this workload?
- What is 'normalization' in database design?
- A relation R(A,B,C,D) has functional dependencies A→B and B→C. Which statement follows?
- Given a table Orders(OrderID, CustomerID, Amount), which SQL statement correctly returns the CustomerID of every customer who has placed more than 3 orders...
- Which of the following is a non-relational database?
- Bitmap indexes are most efficient when:
- What is a page fault?
- Deadlock occurs when:
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
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)