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
- 187787 Views
- Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro, I also Faced
- E-Mail Answers
Answer Posted / janu
Primary Key:
A primary key is a field or combination of fields that
uniquely identify a record in a table, so that an individual
record can be located without confusion.
Foreign Key:
A foreign key (sometimes called a referencing key) is a key
used to link two tables together.
| Is This Answer Correct ? | 6 Yes | 7 No |
Post New Answer View All Answers
What is the difference between primary and candidate key?
How to do performance tunning a database in DB2 V8.2 UDB in linux
What is odm in database?
What is database bounce?
What is ole db ado?
i have windows-xp processor with P4 system. whenever I tried to download foxpro for windows 2.6 on windows XP, my operating system failed to install foxpro for windows 2.6.please. how could i download , install & run foxpro for windows 2.6 easily on windows XP ?
Is it good to store images in database?
What are different types of clusters present?
What are different types of data models available? Explain with example?
What is a database example?
What is the difference between oracle and MS Access?
What is difference between data and database?
Differentiate between extension & intension?
Can you tell any two advantages of stored procedures?
How does non-cluster index functions?
