Question
Transaction T1 is waiting for a resource held by T2, T2 is waiting for a resource held by T3, T3 is waiting for a resource held by T1, and separately T4 is waiting for a resource held by T2. Based on the wait-for graph, which of the following correctly describes the deadlock situation?
More IT DBMS Questions
- What does the ‘’ element in HTML5 allow you to do?
- A relation R(P, Q, R, S) has functional dependencies PQ -> R, R -> S, and S -> P. How many candidate keys does this relation have?
- Which constraint ensures that no duplicate values exist in a column?
- T1 updates a row but has not committed; T2 reads that updated value; T1 then rolls back. What anomaly did T2 experience?
- Which of the following concurrency control methods avoids deadlocks entirely but can reduce concurrency by blocking transactions at start?
- In paging, the page size is defined by:
- Transaction T1 updates a row but has not yet committed. Transaction T2 then reads this updated but uncommitted value. If T1 subsequently rolls back, what p...
- Which of the following commands are used to put a restriction on the number of rows returned from a query?
- Query optimization heuristics often include:
- Which layer of the OSI model handles logical addressing and routing?
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)