39 Ebook Excercises Solutions
39.1 Part 1
- A
- C
- A
- C
- A
- B
- D
- D
- C ???
- C
- B
- B
- D
- C
- D
- C
- B
- D
- C
- A
- C
- D
- B
- A
- B
- C
- C
- B
- C
- A
- D
- A
- B
- C
- B
- C
39.2 Part 3
- This question can’t be answered using only the provided information. It can be both a recoverable or a non-recoverable schedule depending on which transaction commits/aborts first.
- B
- D
- B
- B
- C
- D
- D
- A
- C
- A
- C ??? (I am sure there is a dirty read)
- A
- B
- False
- True
- False
- False
- True
- True
- True
- A
- B
- B
- A
- A
- C
- A
- C
- D
- B
- C
- D
- B
- B
- D
- C
- A
- B
- C
- C
- C
- B
- B
- False
- False
- True
- False
- True
- True
- False
- True
- True
- False
- True
- True
- False ???
- False
- False
- True ???
- True
- True ??????
- True
- False
- True
- False
- True
- True
- True
- B
- C
- A
- B
- C
- A
- B
- B
- C
- A
- C