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RDBMS Basics Practice Test: Transactions
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Avg score: 82% Most missed: “If a schedule is equivalent to a serial schedule, it is called as a _________”
Quiz on transaction concept, serializability, transaction isolation and its levels. RDBMS transactions are a feature of relational database management systems (RDBMS) that allow users to group multiple SQL statements together. With a transaction-aware RDBMS, users can start a transaction, perform actions, and either commit the results to the database or roll back all of their SQL statements.  Here are some aspects of RDBMS transactions: Concurrency control: A critical aspect of RDBMS that ensures that multiple transactions accessing the same data can execute concurrently without producing... Show more
RDBMS Basics Practice Test: Transactions
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25 Questions

1. If a schedule is equivalent to a serial schedule, it is called as a _________
2. ___________ allows uncommitted data to be read
3. All the isolation levels disallow dirty writes
4. A schedule is __________ if it is conflict equivalent to a serial schedule.
5. Transactions can only run serially
6. Which of the following is a transaction isolation level as specified by SQL standard?
7. The phenomenon in which one failure leads to a series of transaction rollbacks is called as ________
8. When is a timestamp allotted
9. Which of the following is not a type of a schedule?
10. A transaction that has not been completed successfully is called as _______
11. Which of the following are the advantages of transaction concurrency?
12. Every cascadeless schedule is also recoverable
13. Which of the following is a property of transactions?
14. Collections of operations that form a single logical unit of work are called __________
15. ________ allows only committed data to be read and further requires that no other transaction is allowed to update it between two reads of a data item by a transaction.
16. Serializable level may allow both serializable and non-serializable executions
17. Which of the following is not a transaction state?
18. Information residing in the volatile storage does not usually survive system crashes
19. If a schedule S can be transformed into a schedule S’ by a series of swaps of non-conflicting instructions, then S and S’ are
20. What is the disadvantage of locking?
21. The average time for a transaction to be completed after it has been submitted is called as __________
22. Which of the following systems is responsible for ensuring isolation?
23. Execution of translation in isolation preserves the _________ of a database
24. The “all-or-none” property is commonly referred to as _________
25. Which of the following systems is responsible for ensuring durability?