A set of one or more attributes that can uniquely identified tuples within the relation is known as
Primary Key
Alternate Key
Foreign Key
None of these
The software that allows the user to access the data contained in a database is known are
Database
Table
Relation
DBMS
The rows of a relation are referred to
tuples
attributes
domain
In relational data model , collection of logically records are known as
Both (1) & (2)
A ____ holds one piece of information about an item or subject in the database.
Attribute
Field
Domain
The operation that is used to extract specific attributes from all the tuples of a relation
SELECT
PROJECT
UNION
INTERSECTION
The number of tuples in a relation is called the _____ of a relation.
Degree
Cardinality
Name the data model in which all the tables are linked with each other using a common attribute in the tables.
Relational
Network
Hierarchical
All attribute combinations inside a relation that can serve as primary key are known as
Candidate Key
The number of attributes in a relation is called the _____ of a relation.