what is the difference between primary key & foreign key?
- 57 Answers
- 122291 Views
- CTS, Infosys, La Multi, Sparsh, Wipro, I also Faced
- E-Mail Answers
Answer Posted / praneeth
primary key helps in uniquely identifying the records in a table
a foreign key is a field that points to the primary key of another table which links one table to another table
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
How to define an anonymous block?
How to retrieve data from an cursor to a record?
Can we protect our pl/sql source code?
What is BBED in Oracle?
What are the differences between primary key and unique key?
How do we create privileges in oracle?
How to list all indexes in your schema?
How to build data dictionary view an new database?
What are the ansi data types supported in oracle?
How to create an oracle database manually?
How to execute the package in oracle?
What is translate in oracle?
What is an Oracle index?
In not less than 100 words what's the main difference between Rolap and Molap in ORACLE ?
how can we store any pdf file in oracle
