Computer Science · Database Management Systems
Arrange the following logical steps of a database transaction's execution in their correct chronological sequence, as demonstrated in a standard bank transfer: A. Writing the local value from the buffer back to the database. B. Reading the data item from the disk into the transaction's local buffer. C. Issuing a commit operation to signal successful completion and make changes permanent. D. Initiating the transaction sequence with a begin transaction command. E. Updating the data item's value within the local buffer. Choose the correct answer from the options given below:
- 1D, E, B, A, C
- 2D, B, E, A, C✓
- 3B, D, E, A, C
- 4D, B, A, E, C
Correct answer
D, B, E, A, C
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