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Across

1. A unit of work performed on a database that follows the ACID approach.

2. A file that records all the transactions and activities in a database system.

3. The storage of the same data in multiple places within a database, which can lead to inconsistency and inefficiency.

4. A technique used in distributed databases to divide the data into smaller subsets or partitions, which are then stored on different nodes in the network.

5. A sequential record of all the changes made to a database, stored in the transaction log.

6. The process of using SQL commands to modify data within a database, including operations like update, insert, and delete.

7. A professional responsible for managing and maintaining a database system.

8. A user-friendly method that enables users to select objects and manipulate them within a graphical environment for query creation.

9. The accuracy, consistency, and reliability of data stored in a database, ensuring it is valid and trustworthy.

10. A point within a transaction where you can roll back a part of the transaction instead of the entire transaction.

11. A character used to separate fields or records within a flat file database, allowing for easy parsing and retrieval of data.

Down

12. A process that reverses the effects of a transaction by applying the opposite changes recorded in the transaction log.

13. The quality or state of being closely connected or appropriate to a specific purpose or topic.

14. The property that ensures that committed transactions survive permanent system failures.

15. A type of database that stores data as objects, which have their own properties and behaviors.

16. The process of selecting the most efficient execution plan for a query in a database management system.

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