In a multiuser database environment, what is a deadlock?
Practice Questions
1 question
Q1
In a multiuser database environment, what is a deadlock?
A situation where two transactions are waiting for each other to release locks
A method of data encryption
A type of database backup
A way to optimize queries
A deadlock occurs when two transactions are waiting for each other to release locks, preventing both from proceeding.
Questions & Step-by-step Solutions
1 item
Q
Q: In a multiuser database environment, what is a deadlock?
Solution: A deadlock occurs when two transactions are waiting for each other to release locks, preventing both from proceeding.
Steps: 5
Step 1: Imagine two people trying to cross a narrow bridge from opposite sides.
Step 2: Person A is on the bridge and wants to go to the other side, but they can't move because Person B is in the way.
Step 3: Person B is also on the bridge and wants to go to the other side, but they can't move because Person A is blocking them.
Step 4: Both people are stuck because they are waiting for each other to move, and neither can go forward.
Step 5: In a database, a deadlock is similar; two transactions are waiting for each other to finish using resources (like locks), and neither can continue.
