What is Primary key and foreign key? Give an example

Answer Posted / aaaaaaaaaaaaa

Primary key is a primary key that is an attribute.

Is This Answer Correct ?    4 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how would you write a sql query to compute a frequency table of a certain attribute involving two joins? What changes would you need to make if you want to order by or group by some attribute? What would you do to account for nulls?

1098


What do you understand by the analysis services in sql server?

534


Why variables called the most powerful component of ssis?

589


Tell me about pre-defined functions of sql?

691


What you can do to delete a table without the delete trigger firing?

518






Can you explain important index characteristics?

520


Explain contrast amongst grouped and non-bunched records?

516


What do you understand by triggers?

517


What is the purpose of data source?

511


What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure?

567


Define full outer join in sql server joins?

493


Is foreign key a primary key?

508


How to modify existing triggers using "alter trigger"?

524


What encryption security is available in sql azure?

81


What is the difference between DataRow.Delete() and DataRow.Remove()?

728