下列读写语句不正确的有()。
A: READ(*,*)A,B,C
B: READ(*,*)A,B,C+D
C: WRITE(*,*)A,B,C
D: WRITE(*,*)A,B,C+D
A: READ(*,*)A,B,C
B: READ(*,*)A,B,C+D
C: WRITE(*,*)A,B,C
D: WRITE(*,*)A,B,C+D
举一反三
- 文件的读写权限有: A: Read B: ReadWrite C: Write D: Truncate
- 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)
- 下列哪个不是正确的Python文件读写方法? A: write() B: writelines() C: writeall() D: read()
- 对数据库libinfo中数据表reader施加表级读锁的语句是() A: LOCKreader READ; B: LOCKTABLESreader WRITE; C: LOCKTABLESreader READ; D: LOCKreader WRITE;
- 以下不是Python文件读写方法的是______。 A: readline B: read C: writeline D: write