The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
Union
Intersect
Difference
Projection
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
By default, the order by clause lists items in ______ order.
Solution |
2
Discuss
|
The result which the operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.
Solution |
3
Discuss
|
Using which language can a user request information from a database?
Solution |
4
Discuss
|
This query can be replaced by which of the following ?
Solution |
5
Discuss
|
Which one of the following has to be added into the blank to select the dept_name which has Computer Science as its ending string?
Solution |
6
Discuss
|
To display the salary from greater to smaller and name in ascending order which of the following options should be used?
Solution |
7
Discuss
|
Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________
Solution |
8
Discuss
|
This query does which of the following operation?
Solution |
9
Discuss
|
Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary)
Solution |
10
Discuss
|
Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved