DBI202Xuất hiện trong 1 đề thi
Which statements about a lock in DBMS are true? a) Granularity: the size of the lock b) Granularity: the type of the lock c) Mode: the type of the lock d) Duration: the time in seconds that the DBMS waits for a lock to be released
Các lựa chọn
A(a) and (c) and (d) are true
B(a) and (b) and (d) are true
C(b) and (c) and (d) are true
D(a) and (b) and (c) are true