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November 30, 2023Question 2678 – KVS 22-12-2018 Part-A
November 30, 2023Database-Management-System
| Question 243 |
Which of the following scenarios may lead to an irrecoverable error in a database system?
| A transaction writes a data item after it is read by an uncommitted transaction | |
| A transaction reads a data item after it is read by an uncommitted transaction | |
| A transaction reads a data item after it is written by a committed transaction | |
| A transaction reads a data item after it is written by an uncommitted transaction |
Correct Answer: D
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