Explanation: Check and foreign constraints are used to constraint the table data. 5. Problems occurs if we don’t implement proper locking strategy
A. Dirty reads
B. Phantom reads
C. Lost updates
D. Unrepeatable reads
Answer:A
Explanation: Check and foreign constraints are used to constraint the table data. 5. Problems occurs if we don’t implement proper locking strategy
A. Dirty reads B. Phantom reads C. Lost updates D. Unrepeatable reads