Write a note on aggregate functions in SQL and Views in SQL with examples Database Management Systems 10CS54 VTU notes 4 Marks Jun July2014 JuneJuly 2015

The Eduladder is a community of students, teachers, and programmers just interested to make you pass any exams. So we solve previous year question papers for you.
See Our team
Wondering how we keep quality?
Got unsolved questions?

Ask Questions
Call for internship with your eduladder last date is 25/Mar/2019 apply today Here

Database-Management-Systems---10CS54-VTU-notes-->View question

Write a note on aggregate functions in SQL and Views in SQL with examples. Database Management Systems - 10CS54 VTU notes 4 Marks (Jun / July2014 & June/July 2015)

SQL and Views in SQL with examples. ?

Asked by:anonymousguy7799

Taged users:

Be first to like this question

Be first to dislike this question
Talk about this  Delete  Like  Dislike

AGGREGATE FUNCTIONS ( ) Functions such as SUM, COUNT, AVERAGE, MIN, MAX are often applied to sets of values or sets of tuples in database applications (R) 38 The grouping attributes are optional
Example 1: Retrieve the average salary of all employees (no grouping needed): 
Example 2: For each department, retrieve the department number, the number of employees, and the average salary (in the department): COUNT SSN, AVERAGE SALARY DNO is called the grouping attribute in the above example 
SQL Views In SQL, a view is a virtual table based on the result-set of an SQL statement. A view contains rows and columns, just like a real table. The fields in a view are fields from one or more real tables in the database.
 CREATE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition SQL CREATE VIEW Examples CREATE VIEW [Current Product List] AS SELECT ProductID, ProductName FROM Products WHERE Discontinued=No

Answerd By:Nikhil-bharadwaj

Be first to like this answer

Be first to dislike this answer
Talk about this  Delete  Like  Dislike

Can you help us to add better answer here? Please see this

You may also like our videos

Below are some of the videos from our collection. We saw that students not only needed content but also videos. So, we decided to build a video platform for you also an algorithm which shows best videos suites to you related to the content you are browsing check out some videos which suit best for you.

Lets together make the web is a better place

We made eduladder by keeping the ideology of building a supermarket of all the educational material available under one roof. We are doing it with the help of individual contributors like you, interns and employees. So the resources you are looking for can be easily available and accessible also with the freedom of remix reuse and reshare our content under the terms of creative commons license with attribution required close.

You can also contribute to our vision of "Helping student to pass any exams" with these.
Answer a question: You can answer the questions not yet answered in eduladder.
Career: Work or do your internship with us.
Create a video: You can teach anything and everything each video should be less than five minutes should cover the idea less than five min.
Donate: Ad revenue alone is not able to take care of our server cost consider donating at least a dollar Click here to donate.

If you want the help of doing any of these never hesitate to drop an email to me arunwebber[at]gmail[dot]com, Or you can ping us on WhatsApp ph: 8147433408

Not the answer you're looking for? Browse other questions from this Question paper or ask your own question.

Want to exlplore yourself?