The following is necessary when multiple users access/modify the database simultaneously. A) Distributed database B) parallel database C) concurrency control D) centralized database Which one?

Which of the following is a key feature of a non-relational database like NoSQL? a.) It efficiently uses indexes as a means to provide efficient access to data and is supported directly in the database rather than maintained in the application code. b.) It is integrated well into an application infrastructure within a database stack. c.) It ensures strong consistency such that applications should be able to read what has been written to the database immediately. d.) It is designed for highly available systems that should provide a consistent, high-quality experience for all users globally.

Respond to one or both of the following statements: It is impossible to produce good information from poor data. No matter how sophisticated the application programs are, it is impossible to use good application programs to overcome the effects of bad database design.

Computer science, as a discipline Which of the following best describes the distinction between a multi-user database and a distributed database?