what is the difference between primary key & foreign key?
Answer Posted / baburao
primary key is a key which can define unique values
where as foreign key refers to a parent table and depends
on primary key
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How can you use check constraints for self referential integrity?
Explain constraining triggers.
What is oracle sid?
How to create a server parameter file?
What is the difference between the Oracle ODBC driver and a Microsoft ODBC (Open Database Connectivity) Driver?
Explain what are clusters?
State the various uses of dbcc command?
Give the various exception types.
What are the major difference between truncate and delete?
How to define an oracle cursor variable?
How to start your 10g xe server from command line?
State and explain the different types of data models?
What is sharded cluster?
Where is the export dump file located?
How to insert multiple rows with one insert statement in oracle?