1. Categories >> Software >> Databases >> Database Management
  2. Suggest New Category

Can A column defined as PRIMARY KEY can have NULL values ?

Question Posted / guest

Answers were Sorted based on User's Feedback



Can A column defined as PRIMARY KEY can have NULL values ?..

Answer / guest

FALSE

Is This Answer Correct ?    8 Yes 1 No

Can A column defined as PRIMARY KEY can have NULL values ?..

Answer / parul chaudhary

No,a coloum defined as PRIMARY KEY can't have NULL values,
because when we assign a coloum as a PRIMARY KEY that mean
its a unique coloum by which whole the table have to be
accessed.

Is This Answer Correct ?    5 Yes 0 No

Post New Answer

More Database Management Interview Questions

What are the three main types of models?

0 Answers  

What are the limitations of database?

0 Answers  

What is building blocks of client/server?

0 Answers  

In which phase of mload can I use .filler?

0 Answers  

What is computer end?

0 Answers  




What is 1nf?

0 Answers  

Why is databases important in healthcare?

0 Answers  

What are the 5 major parts of a database system?

0 Answers  

What are database modules?

0 Answers  

What do you mean by dml compiler?

0 Answers  

What do you understand by aggregation and atomicity?

0 Answers  

Which dbms is best?

0 Answers  

For more Database Management Interview Questions Click Here
Categories