Aggregate Functions DBMS Questions And Answers
Here you can find Aggregate Functions DBMS Questions and Answers.
Why Aggregate Functions DBMS Questions and Answers Required?
In this Aggregate Functions DBMS Questions and Answers section you can learn and practice Aggregate Functions DBMS Questions and Answers to improve your skills in order to face technical inerview conducted by
organisations. By Practicing these interview questions, you can easily crack any Exams interview.
Where can I get Aggregate Functions DBMS Questions and Answers?
AllIndiaExams provides you lots Aggregate Functions DBMS Questions and Answers with proper explanation. Fully solved examples with detailed answer description. All students, freshers can download Aggregate
Functions Questions and Answers as PDF files and eBooks.
How to solve these Aggregate Functions DBMS Questions and Answers?
You no need to worry, we have given lots of Aggregate Functions DBMS Questions and Answers and also we have provided lots of FAQ's to quickly answer the questions in the Competitive Exams interview.
Aggregate Functions DBMS Questions & Answers
1. Aggregate Functions DBMS are functions that take a ___________ as input and return a single value.
Aggregate Functions DBMS Questions & Answers
2. Select __________ from instructor where dept name= ’Comp. Sci.’;Which of the following should be used to find the mean of the salary ?
Aggregate Functions DBMS Questions & Answers
3. All Aggregate Functions DBMS except _____ ignore null values in their input collection.
Aggregate Functions DBMS Questions & Answers
4. A Boolean data type that can take values true, false, and________ .
Aggregate Functions DBMS Questions & Answers
5. Select count (____ ID)
from teaches
where semester = ’Spring’ and year = 2010;
If we do want to eliminate duplicates, we use the keyword ______in the aggregate expression.
Aggregate Functions DBMS Questions & Answers
6. The ____ connective tests for set membership, where the set is a collection of values produced by a select clause. The ____ connective tests for the absence of set membership.
Aggregate Functions DBMS Questions & Answers
7. We can test for the nonexistence of tuples in a subquery by using the _____ construct.
