UrbanPro

Learn SQL Programming from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

Given a table containing class and students, how do you find the difference in students in SQL?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

Technical Project Manager with hands on Business Intelligence domain

There are many ways to find a solution to this problem. 1.One simple way is to Find the difference with respect to the Maximum, average or what so ever your requirement is and place it in a new column using CASE and WHEN. 2.Other such solution is Self-Join. Use the Self-join and make it look a little...
read more

There are many ways to find a solution to this problem.

1.One simple way is to Find the difference with respect to the Maximum, average or what so ever your requirement is and place it in a new column using CASE and WHEN.

2.Other such solution is Self-Join. Use the Self-join and make it look a little more complex

read less
Comments

Related Questions

I want to teach, how can I?
You can teach students Online as well as offline. If you want to teach online you need to have a communicating media.
Yasheela
I need your help to choose my career as I have three years of gap between my education. I know SQL. Can anyone tell me should I choose MS SQL server or oracle because I am interested in the database? Which one will be better to learn to get into the IT industry? Please help me! Thank you!
As you are strong and interested in SQL, why not to choose ETL Testing? It has a good career ahead in data projects. To survive in the market, you need both Oracle & SQL Server. Actually, both are almost same but are different products.
Santhosh
How do I become master in SQL server? I am looking for real time case studies to write queries, stored procedures etc.
Hi Komal, Try to command basic SQL statement first. Understand the very basic concepts of DDL , DML and TCL commands.. start with writing SELECT statement with WHERE clause , using aggregate functions...
Komal
0 0
5

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Looping In Oracle SQL Using Level
We will see about the syntax LEVEL in Oracle sql. If we want to loop through and print a set of values in SQL, LEVEL could come handy. Example query: SELECT 'hi', LEVEL FROM DUALCONNECT BY LEVEL <=...

DBMS (Database Management System) Vs RDBMS ( Relational Database Management System)
DBMS RDBMS Stored data in a file Stored data in a table As it is stored in a file, there is no relationship concept Data in one table may be relationship with data in another table...


SQL Union Vs Union ALL
SQL UNION vs UNION ALL Operator Usage UNION: UNION combines the result set of two or more queries into a single result set. UNION removes duplicate records (where all columns in the results are the same). UNION...

Database Origins
The need for a database originates from the fact that computers are dumb devices having batman like abilities which can be smartly be utilised by feeding it the right content. That is, for example, consider...
M

Recommended Articles

Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...

Read full article >

Software Development has been one of the most popular career trends since years. The reason behind this is the fact that software are being used almost everywhere today.  In all of our lives, from the morning’s alarm clock to the coffee maker, car, mobile phone, computer, ATM and in almost everything we use in our daily...

Read full article >

Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...

Read full article >

Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...

Read full article >

Looking for SQL Programming Training?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for SQL Programming Classes?

The best tutors for SQL Programming Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn SQL Programming with the Best Tutors

The best Tutors for SQL Programming Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more