下述各图给出的4个并发调度中，不是冲突可串行的是______。(1) T1 T2 Read (A)Write (B) Read (A)Write (A) (2) T1 T3 Read (A)Write (B) Read (B)Write (A) (3) T4 T5 Read (A)Write (B) Read (A)Write (B) (4) T1 T4 Read (A)Write (B) Read (A)Write (B)
A: (1)
B: (2)
C: (3)
D: (4)
A: (1)
B: (2)
C: (3)
D: (4)
举一反三
- Watch the video. Read the statements. Write T (true) or F (false).
- You can’t read most efficiently if you don’t “write between the lines”.
- Watch the video. Read the statements. Write T(true) or F（false).1 Dayanne’s nickname is “Woo”.
- Watch the video. Read the statements. Write T (true) or F (false).( ) Agnes doesn’t have a computer.
- Read the statements. Write T (true) or F (false) Hector's mother is from Mexico.（ ）