Question
Relations R and S share the same schema, with R having 50 tuples and S having 50 tuples. If R and S share exactly 20 common tuples, how many tuples will the result of (R UNION
- S MINUS (R INTERSECT
- S contain?
More IT DBMS Questions
- A system is in a safe state when:
- An SQL `VIEW` is a:
- Which SQL command is used to add new rows of data into a table?
- A relation Student_Course(StudentID, CourseID, StudentName, CourseName) stores StudentName redundantly in every row for each course a given student takes. ...
- Which layer of the OSI model handles logical addressing and routing?
- Given Employee(EmpID, Name, DeptID) and Department(DeptID, DeptName), which relational algebra expression correctly retrieves the names of employees workin...
- Which SQL clause is used to group rows based on one or more columns?
- Which normal form eliminates transitive dependencies?
- Examine the following Java-like code: ```java class Parent { String name = "Parent"; public void display() { Syst...
- T1 updates a row but has not committed; T2 reads that updated value; T1 then rolls back. What anomaly did T2 experience?
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)