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Database Development Process Quiz

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What are the main components of a three-level architecture?

The main components are external level, conceptual level, and internal level.

What is data independence in the context of a database?

Data independence refers to the immunity of data from changes in the schema at the next higher level.

What is the purpose of a data dictionary in a database system?

The purpose of a data dictionary is to provide a centralized repository of information about data.

What is the difference between logical database design and physical database design?

Logical database design focuses on the logical structure of the database, while physical database design deals with the implementation and optimization of the database. Signup and view all the answers

What is the role of a Database Administrator (DBA) in a database system?

The DBA is responsible for the overall management of the database, including security, performance, and integrity. Signup and view all the answers

What are the main functions of a Database Management System (DBMS)?

The main functions include data definition, data manipulation, data retrieval, and data control. Signup and view all the answers

What does SQL stand for?

Structured Query Language (A) Signup and view all the answers

What is the primary function of a data dictionary in a database system?

To define the structure of the database (A) Signup and view all the answers

What is the role of a Database Administrator (DBA) in a database system?

Managing and maintaining the database system (A) Signup and view all the answers

What is the purpose of data independence in the context of a database?

To shield application programs from changes in the database structure (D) Signup and view all the answers

Database Development Process Quiz

Choose a study mode

Podcast

Questions and Answers

What are the main components of a three-level architecture?

What is data independence in the context of a database?

What is the purpose of a data dictionary in a database system?

What is the difference between logical database design and physical database design?

What is the role of a Database Administrator (DBA) in a database system?

What are the main functions of a Database Management System (DBMS)?

What does SQL stand for?

What is the primary function of a data dictionary in a database system?

What is the role of a Database Administrator (DBA) in a database system?

What is the purpose of data independence in the context of a database?

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