The _________ provides a set of operations that take one or more relations as input and return a relation as an output.
Schematic representation
Relational algebra
Scheme diagram
Relation flow
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
Solution |
2
Discuss
|
The term attribute refers to a ___________ of a table.
Solution |
3
Discuss
|
In the SQL given above there is an error . Identify the error.
Solution |
4
Discuss
|
The _______operation performs a set union of two “similarly structured” tables
Solution |
5
Discuss
|
Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________
Solution |
6
Discuss
|
A relational database consists of a collection of
Solution |
7
Discuss
|
Which one of the following is procedural language?
Solution |
8
Discuss
|
Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary)
Solution |
9
Discuss
|
_____ operator is used for appending two strings.
Solution |
10
Discuss
|
Using which language can a user request information from a database?
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved