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.
Instance, Schema
Relation, Schema
Relation, Domain
Schema, Instance
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
|
In the SQL given above there is an error . Identify the error.
Solution |
3
Discuss
|
A relational database consists of a collection of
Solution |
4
Discuss
|
Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________
Solution |
5
Discuss
|
The tuples of the relations can be of ________ order.
Solution |
6
Discuss
|
Using which language can a user request information from a database?
Solution |
7
Discuss
|
In SQL the spaces at the end of the string are removed by _______ function.
Solution |
8
Discuss
|
The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.
Solution |
9
Discuss
|
Student(ID, name, dept name, tot_cred)
Solution |
10
Discuss
|
For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved