Test Bank Questions with Answers for Relational Database. Rated A+
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Course
Computer Science
Institution
Computer Science
What is a Relational Database? - Answers a collection of two or more tables that are joined using relationships
a DBMS stands for - Answers database management system
examples of the database - Answers a phone contact list, a personal diary, a University Students records
Which of the following a...
Test Bank Questions with Answers for Relational Database. Rated A+
What is a Relational Database? - Answers a collection of two or more tables that are joined using
relationships
a DBMS stands for - Answers database management system
examples of the database - Answers a phone contact list, a personal diary, a University Students records
Which of the following are benefits of a well-designed database? - Answers prevents duplicate data,
easy to expand in the future, can help retrieve data retrieval speed
An Entity is a _________ - Answers a modeled thing from the real world
What are attributes? - Answers another name used for a column
What are other names used for columns? - Answers attributes and fields
fields must contain specified types of data - Answers
a record is made up of fields - Answers
a data table is made up of records - Answers
a table - Answers a table consist of rows and columns
what are the table rows also called - Answers table rows are also called tuples and records
what is the name of a field or set of fields used to uniquely identify a record in a table - Answers primary
key
In database terminology which of the following are true - Answers a row (record) is called a tuple, a
column (field) is called an attribute, a table is called a relation
which of the following to a valid key field - Answers a car registration number
What are some properties of a relational database - Answers in relational databases, each column
should have a unique name
what is a database schema - Answers it is a collection of database objects: tables, columns, primary and
foreign keys, relationships between tables, stored procedures and views
If there is more than one key for relation schema in DBMS then each key in relation schema is classified
as - Answers candidate key
If attribute of relation schema R is not a member of some candidate key then this type of attribute is
classified as - Answers non prime attribute
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