Database Management Ch 1 Graded A+
_____ is the duplication of data or the storing of the same data in more than one place. ✔️Data
redundancy
Which of the following is not a problem associated with redundancy? ✔️Prevents orphan records
A(n) _____ is a person, place, object, event, or idea for which you want to store and process data.
✔️entity
A(n) _____ is a characteristic or property of an entity. ✔️attribute
A(n) _____ is a structure that contains data about many categories of information as well as the
relationships between those categories. ✔️relational database
A(n) _____ exists between two entities when each row in the first entity matches many rows in the
second entity, and each row in the second entity matches only one row in the first entity. ✔️one-to-
many relationship
Which of the following describes how to create a one-to-many relationship in a database system?
✔️Use a common field in the two tables to tie the related records from each table together.
In a(n) _____, rectangles represent entities and display their attributes; lines represent relationships
between connected entities. ✔️entity-relationship (E-R) diagram
Which of the following defines a DBMS? ✔️A program through which users interact with the data
stored in a database
Which of the following describes database design? ✔️Creating the entities, attributes, and
relationships between tables of data
_____ is the duplication of data or the storing of the same data in more than one place. ✔️Data
redundancy
Which of the following is not a problem associated with redundancy? ✔️Prevents orphan records
A(n) _____ is a person, place, object, event, or idea for which you want to store and process data.
✔️entity
A(n) _____ is a characteristic or property of an entity. ✔️attribute
A(n) _____ is a structure that contains data about many categories of information as well as the
relationships between those categories. ✔️relational database
A(n) _____ exists between two entities when each row in the first entity matches many rows in the
second entity, and each row in the second entity matches only one row in the first entity. ✔️one-to-
many relationship
Which of the following describes how to create a one-to-many relationship in a database system?
✔️Use a common field in the two tables to tie the related records from each table together.
In a(n) _____, rectangles represent entities and display their attributes; lines represent relationships
between connected entities. ✔️entity-relationship (E-R) diagram
Which of the following defines a DBMS? ✔️A program through which users interact with the data
stored in a database
Which of the following describes database design? ✔️Creating the entities, attributes, and
relationships between tables of data
