Question
Which constraint ensures that no duplicate values exist in a column?
More IT DBMS Questions
- Which of the following is not part of the process control block (PCB)?
- If every non-key attribute is functionally dependent on the primary key, the relation will be in
- In relational algebra, the operation that combines tuples from two relations using common attribute values is:
- R(StudentID, CourseID) records every course each student has taken. S(CourseID) lists all courses required for a certain certification. Which relational al...
- A PL/SQL `TRIGGER` is a stored program that automatically executes in response to:
- What does the SQL COMMIT statement do?
- What is 'query optimization' in DBMS?
- Which of the following commands are used to put a restriction on the number of rows returned from a query?
- In indexing, which tree is most commonly used for disk-based indexing because it minimizes disk seeks and keeps nodes dense?
- Which SQL command is used to retrieve data from a table?
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)