Which process is used to prevent the current database operation from reading or writing a data itemwhile that data item is being accessed by another operation?�
A.Lock�
B.Deadlock�
C.Timestamp�
D.Batch�
Answer:A
Which process is used to prevent the current database operation from reading or writing a data itemwhile that data item is being accessed by another operation?�
A.Lock� B.Deadlock� C.Timestamp� D.Batch�