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What is TRUE about Wait for Graph?

10. What is TRUE about Wait for Graph?

1. As each transaction waits for some data that is being held by another, the waiting graph is maintained by the system.
2. A cycle in the graph is checked constantly by the system.
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

In case of Wait for Graph -

1. As each transaction waits for some data that is being held by another, the waiting graph is maintained by the system.
2. A cycle in the graph is checked constantly by the system.