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Across

1. The process of ensuring that data is accurate, consistent, and complies with predefined rules.

2. A type of database that uses graph structures to store, represent, and query relationships between complex interconnected data entities.

3. A property that determines how concurrent transactions interact with each other and the level of data visibility.

4. A database system that primarily relies on the main memory (RAM) of a computer for data storage, instead of traditional disk storage.

5. Techniques and mechanisms used to manage the simultaneous execution of transactions without interference or inconsistency.

6. The process of organizing data in a database to reduce redundancy and improve data integrity.

7. A set of properties that guarantee that database transactions are processed reliably.

8. The practice of implementing measures and protocols to protect the database system from unauthorized access, data breaches, and other security threats.

9. A system that collects, processes, stores, analyzes, and disseminates information for a specific purpose.

Down

10. A type of database that stores data in a plain-text file without a complex structure.

11. A high-level diagram that depicts the important entities and their relationships in a database

12. A logical unit of work that is performed as a single, indivisible operation in a relational database.

13. A database normalization process ensures all attributes are dependent only on the primary key and not on other non-key attributes.

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

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

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