A、able
B、capable
第1题:
A. read
B. read-write
C. read-only
D. write
第2题:
输出CSV格式的文件,用一下哪个函数
A.write.table()
B.read.csv()
C.write.csv()
D.write.delim()
第3题:
下列两个事务的指令是冲突指令的是
A.T1:Read(M), T2:Write(N)
B.T1:Write(M),T2:Write(N)
C.T1:Write(N),T2:Read(N)
D.T1:Read(N), T2:Read(N)
第4题:
A. read
B. read-write
C. read-only
D. write
第5题:
3、下列两个事务的指令是冲突指令的是
A.T1:Read(M), T2:Write(N)
B.T1:Write(M),T2:Write(N)
C.T1:Write(N),T2:Read(N)
D.T1:Read(N), T2:Read(N)
第6题:
RMW多指令操作指的是Read-()-Write?