12 Questions
What is stored in the DBMS catalog in a database system?
Complete description of the database structure
What is meta-data in the context of a database system?
Description of the database structure
Why is the DBMS catalog important in a database system?
It provides information about the database structure
What is the term used to describe the database and DBMS software together?
Database system
Which file in the database system stores the prerequisites of each course?
PREREQUISITE file
How is the term 'query' commonly used in relation to databases?
To modify data
What distinguishes NOSQL systems from traditional database systems?
They do not require meta-data
What does the STUDENT file store in the UNIVERSITY database example?
Student data
What allows program-data independence and program-operation independence in a database management system (DBMS)?
Data abstraction
In a DBMS environment, what needs to be changed to reflect the inclusion of a new data item like Birth_date in the STUDENT records?
Description of STUDENT records in the catalog
What is specified in the interface (or signature) of an operation in a database system?
Operation name and data types of its arguments
How do user application programs operate on data in a database system?
By invoking operations through names and arguments
Explore the additional characteristics of database systems covered in Sections 1.6 through 1.8, including the self-describing nature and the importance of database structure and constraints stored in the DBMS catalog.
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