Interested to Buy Any Domain ? << Click Here >> for more details...
what is primary key,unique key, foreign key? can u teach me
in simple language?
- 44 Answers
- 186390 Views
- Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro, I also Faced
- E-Mail Answers
Answer Posted / siya
Primary Key:- The primary key is the key which is uniquely
identifing in a table which not take null value for that
particular field and we don't take dublicate value for that
key.
Foreign Key:- Foregin Key is a key which define the primary
key into another table or any particular field of primary
key.
| Is This Answer Correct ? | 14 Yes | 6 No |
Post New Answer View All Answers
What is the Difference Primary key and Unique Key
Does facebook use graph database?
What is database bounce?
where can i free download sqlserver2008..i can install sqlserver2008 without visual studio 2008 and work on it
Explain the record term used in database.
Data structure used to implements a menu:
Display the employees whose salary is less than average salary.
What are the types of indexes that are present inside a database?
WHAT IS THE PURPOSE OF TESTING INTEGRITY OF THE UNIVERSE?
what is data access layer?
Explain natural key?
Hi, I want do a course in DWH Informatica Administrator and Abinito Administrator please tell me some institute in chennai and i am searching for a job,so please help me and my mail id : satty_rh@yahoo.co.in Thanks, Kumar
can any one tell me how i can start database testing mean what should be initial point and how i can write a query for listing page of any item thanks in advance
How concurrency problems effect the database?
Is storing images in a database a good idea?
