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Although users use database system, they are not considered part of a data base
Although users use database system, they are not considered part of a data base
False (B)
A data base is a set of one or more computer programs that serve as an intermediary between the users and the database management system (DBMS)
A data base is a set of one or more computer programs that serve as an intermediary between the users and the database management system (DBMS)
False (B)
To be as efficient as possible, data analysis should be done on the production database
To be as efficient as possible, data analysis should be done on the production database
False (B)
A relational database can be defined as a self-describing collection of related tables
A relational database can be defined as a self-describing collection of related tables
A database is self-describing because the user maintains a record of the database structure outside the database itself.
A database is self-describing because the user maintains a record of the database structure outside the database itself.
Metadata is the user data stored in the database.
Metadata is the user data stored in the database.
Currently, organizations use their own hardware
Currently, organizations use their own hardware
The DBMS is used to create the database itself.
The DBMS is used to create the database itself.
Referential integrity constraints must be enforced by the application program.
Referential integrity constraints must be enforced by the application program.
Application program are responsible for creating, maintaining, and supporting database backup and recovery systems.
Application program are responsible for creating, maintaining, and supporting database backup and recovery systems.
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Study Notes
Database Systems
- Users who interact with a database system are not considered part of the database itself.
- A database is a set of computer programs that act as an intermediary between users and the Database Management System (DBMS).
Database Characteristics
- A relational database is a self-describing collection of related tables.
- A database is self-describing because it maintains a record of its structure outside the database itself, known as metadata.
- Metadata is the user data stored in the database.
Database Management System (DBMS)
- The DBMS is used to create the database itself.
- The DBMS is responsible for enforcing referential integrity constraints.
Database Backup and Recovery
- Application programs are responsible for creating, maintaining, and supporting database backup and recovery systems.
Data Analysis and Hardware
- Data analysis should be done on the production database for efficiency.
- Organizations typically use their own hardware.
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