Explanation:Because of the above three properties, transactions are an ideal way of structuring interaction with a database. 4. Which of the following has “all-or-none” property ?
A. Atomicity
B. Durability
C. Isolation
D. All of the mentioned
Answer:A
Explanation:Because of the above three properties, transactions are an ideal way of structuring interaction with a database. 4. Which of the following has “all-or-none” property ?
A. Atomicity B. Durability C. Isolation D. All of the mentioned
Explanation:Either all operations of the transaction are reflected properly in the database, or none are. 5. The database system must take special actions to ensure that transactions operate properly without interference from concurrently executing database statements. This property is referred to as