INSY 3304 Database Exam 1 Questions and Answers |100% Pass
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Course
INSY
Institution
INSY
INSY 3304 Database Exam 1 Questions
and Answers |100% Pass
Data - Answer-Raw facts or facts that have not yet been processed to reveal their meaning to the
end user.
information - Answer-the result of processing raw data to reveal its meaning.
What are the components of a database system envir...
What are the functions of the DBMS? - Answer✔✔--Data dictionary management
-Data storage management
-Data transformation
-Security management
-Multiuser access control
-Backup and recovery management
-Data integrity management
-Database access languages and APIs
-Database communication interfaces
Data Dictionary - Answer✔✔-A DBMS component that stores metadata—data about data. It also
contains the data definitions as well as their characteristics and relationships.
Data warehouse - Answer✔✔-a specialized database that stores data in a format optimized for decision
support and stores historical, aggregated data.
Why is the data warehouse used? - Answer✔✔-Used for managerial decision making - strategic and
tactical.
Data Dependence - Answer✔✔-A data condition in which data representation and manipulation are
dependent on the physical data storage characteristics.
Structural Dependence - Answer✔✔-A data characteristic in which a change in the database schema
affects data access, thus requiring changes in all access programs.
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