what is primary key,unique key, foreign key? can u teach me
in simple language?

Answer Posted / manadithya

primary key is the key to the primary school and the
foriegn key means the key made in foriegn

Is This Answer Correct ?    3 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How do I manually create a database?

573


First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9

1314


what are wrappers and build ups and what it's use?

1703


Difference between sql and mysql?

1632


What do you mean by database?

596






Re: Where can i get informatica certification Exam dumps and details? please forward it to emailid:

1819


There are three servers are run by Oracle, MS Access and .Net. What are the procedure fetching the values of two variables from two servers among these?

1709


What is a super key?

632


please tell me the informatica telecom projects interview question? like if they ask about project explanation and the difficulties and the solutions taken to solve the issues for telecom projects,e.g i am workin for a vodafone project handlin postpaid section,pls tell me wat wud be the process if i work in this ? thanks

8033


What are the various ways to execute a query in teradata?

2200


What is ole db used for?

586


5. Explain about relational algebra.

1736


Can you tell any two advantages of stored procedures?

598


What are different types of resources?

536


Which database is best to store images?

534