The operation that displays all the tuples of both the relations as the output with the duplicate tuples eliminated.
SELECT
PROJECT
UNION
INTERSECTION
In relational data model , collection of logically records are known as
Relation
Table
Both (1) & (2)
None of these
The columns of a relation are referred to
tuples
attributes
domain
The software that allows the user to access the data contained in a database is known are
Database
DBMS
A set of one or more attributes that can uniquely identified tuples within the relation is known as
Primary Key
Alternate Key
Foreign Key
The set of permissible values of the same type for a column is known as
A ____ holds one piece of information about an item or subject in the database.
Attribute
Field
Domain
The advantages of DBMS are
Data redundancy
Data Security
Data integrity
All of the above
All attribute combinations inside a relation that can serve as primary key are known as
Candidate Key
The rows of a relation are referred to
