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What are the main components of a three-level architecture?
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?
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?
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?
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 is the role of a Database Administrator (DBA) in a database system?
What are the main functions of a Database Management System (DBMS)?
What are the main functions of a Database Management System (DBMS)?
What does SQL stand for?
What does SQL stand for?
What is the primary function of a data dictionary in a database system?
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 role of a Database Administrator (DBA) in a database system?
What is the purpose of data independence in the context of a database?
What is the purpose of data independence in the context of a database?
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