Interested to Buy Any Domain ? << Click Here >> for more details...
what is the difference between primary key & foreign key?
- 57 Answers
- 139117 Views
- CTS, Infosys, La Multi, Sparsh, Wipro, I also Faced
- E-Mail Answers
Answer Posted / muneer
Primary Key is unique Key entire the table and which is
also NOT NULL
where as foriegn key is the null & which references the
primary key .
| Is This Answer Correct ? | 147 Yes | 28 No |
Post New Answer View All Answers
How many types of database triggers exist?
How to change user password in oracle?
Describe the types of sub query?
How to use subqueries in the from clause in oracle?
How to create a new tablespace in oracle?
What is pragma autonomous transaction in oracle?
In Oracle Applications We are Using Sub Ledger Accounting. When we Transfer the Data all modules (AP,AR,CE,FA) to SLA We done Some customizations? What are They??
What is query image?
Explain the use of ignore option in imp command.
How to add a new column to an existing table with a default value?
What is ordinary table in oracle?
What happens if you lost a data file?
Give the various exception types.
How to use "in" parameter properly?
What privilege is needed for a user to insert rows to tables in another schema?
