UrbanPro

Learn MS SQL Integration from the Best Tutors

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

Search in

What are the primary data integrity constraints in SQL?

Asked by Last Modified  

Follow 2
Answer

Please enter your answer

Online Mathematics tutor with 4 years experience(Online Classes for 10th to 12th)

Primary key constraint is must for each tables so that SQL can create Clustered Index behind the scene to perform DML(Insert/Update/Delete) and select operations quickly. Without clustered index, nonclilustered index will not work and that's the reason we always create primary key constraint.
Comments

Data Engineering| Snowflake Architect | | MSBI with 12 Years experience

Primary key constraint is must for each tables so that SQL can create Clustered Index behind the scene to perform DML(Insert/Update/Delete) and select operations quickly. Without clustered index, nonclilustered index will not work and that's the reason we always create primary key constraint.
Comments

Related Questions

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

Ask a Question

Related Lessons

Cursors In SQL Server
First thing first Usage of Cursors is not encouraged in SQL Server as they are slow. You may go with While loop if you need to iterate through a recordset. Cursor is a database object to retrieve data...

Rename The Logical Name Of SQL Server Database Files Using T-SQL
Rename the logical name of SQL Server database files using T-SQL: 1. Problem: SQL Server database files have two names: one is the logical file name and the other is the physical file name. The logical...

Recommended Articles

Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...

Read full article >

Applications engineering is a hot trend in the current IT market.  An applications engineer is responsible for designing and application of technology products relating to various aspects of computing. To accomplish this, he/she has to work collaboratively with the company’s manufacturing, marketing, sales, and customer...

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 >

Looking for MS SQL Integration 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 MS SQL Integration Classes?

The best tutors for MS SQL Integration Classes are on UrbanPro

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

Learn MS SQL Integration with the Best Tutors

The best Tutors for MS SQL Integration 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