Test Bank - Concepts of Database Management 10th Edition, by Lisa Friedrichsen |All
Chapters
Every cell in a relation can hold only a single value - (answer)True
SQL stands for Structural Question Language (SQL) - (answer)False
By separating data into tables containing data only one theme each, making changes to the data is
simplified - (answer)True
A relational database can be defined as a self-describing collection of related tables - (answer)True
A key must be unique - (answer)False
To represent a relationship in the relational model, the primary key of one relation is placed into a
second relation - (answer)True
Application programs are responsible for creating, maintaining, and supporting database backup and
recovery systems - (answer)False
To create a well-formed relation through normalization, every determinant must be a candidate key. -
(answer)True
In the relational model, each row of a table contains data that represents an attribute of the entity. -
(answer)False
A composite key is made up of two or more attributes - (answer)True
Null values are represented with a zero in their cell. - (answer)False
The first step of the normalization process is to identify all the candidate keys ofd a relation. -
(answer)True
Chapters
Every cell in a relation can hold only a single value - (answer)True
SQL stands for Structural Question Language (SQL) - (answer)False
By separating data into tables containing data only one theme each, making changes to the data is
simplified - (answer)True
A relational database can be defined as a self-describing collection of related tables - (answer)True
A key must be unique - (answer)False
To represent a relationship in the relational model, the primary key of one relation is placed into a
second relation - (answer)True
Application programs are responsible for creating, maintaining, and supporting database backup and
recovery systems - (answer)False
To create a well-formed relation through normalization, every determinant must be a candidate key. -
(answer)True
In the relational model, each row of a table contains data that represents an attribute of the entity. -
(answer)False
A composite key is made up of two or more attributes - (answer)True
Null values are represented with a zero in their cell. - (answer)False
The first step of the normalization process is to identify all the candidate keys ofd a relation. -
(answer)True
