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Database Systems Example Queries

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Questions and Answers

What is a primary function of a database management system (DBMS)?

To control industrial and manufacturing processes

To analyze weather data and satellite images

To enable users to create and maintain a database (correct)

To store images, audio clips, and video streams digitally

What type of information is stored by the DBMS in the form of a database catalog or dictionary?

Query optimization techniques

Security constraints

Data records

Meta-data (correct)

What is the primary goal of query processing optimization?

To increase storage capacity

To speed up query processing (correct)

To improve data security

To reduce data redundancy

What type of constraints ensure data consistency and accuracy?

Data integrity constraints Signup and view all the answers

What is the primary purpose of a user interface in a database system?

To facilitate user interaction with the database Signup and view all the answers

What is the main advantage of providing persistent storage for program objects in a database?

To allow complex object-oriented structures to be stored permanently Signup and view all the answers

What is the primary function of a security and authorization subsystem in a DBMS?

To control access to the database and restrict unauthorized access Signup and view all the answers

What is the main goal of query processing optimization techniques in a DBMS?

To improve system performance and reduce query processing time Signup and view all the answers

What is the primary purpose of enforcing data integrity constraints in a DBMS?

To ensure data consistency and accuracy by enforcing business rules and inherent rules of the data model Signup and view all the answers

What is the primary advantage of providing multiple user interfaces in a DBMS?

To provide flexible and user-friendly access to the database for different types of users Signup and view all the answers