The operation that displays all the tuples of both the relations as the output with the duplicate tuples eliminated.
SELECT
PROJECT
UNION
INTERSECTION
The columns of a relation are referred to
tuples
attributes
domain
None of these
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 operation that displays all the tuples that exist in both the relations and discards the rest of the tuples
The operation that is used to extract specific tuples from a given relation that satisfy a given condition for a relation
A _____ is a collection of multiple related fields that can be treated as a unit.
Record
field
In relational data model , collection of logically records are known as
Relation
Table
Both (1) & (2)
The operation that is used to extract specific attributes from all the tuples of a relation
A candidate key that is not the primary key is called
Candidate Key
The software that allows the user to access the data contained in a database is known are
Database
DBMS