primay key uniquely identifies records in relation. in a table only one pr

what is the difference between primary key & foreign key?

Question Posted / dimna

Answer Posted / dimna

primay key uniquely identifies records in relation.
in a table only one primary key.But may have more than one
foreign key.

Is This Answer Correct ?

17 Yes

9 No

Please Help Members By Posting Answers For Below Questions

Explain an index segment?

1124

How to connect the oracle server as sysdba?

1088

I have a database backup file in .db (ext) form how to conver it into .dmp (ext.) for oracle database

2145

What is the meaning of recursive hints in oracle?

1047

What is define in oracle?

1065

How to add a new column to an existing table in oracle?

1144

What is a trigger and what are its types?

1240

How to use subqueries in the from clause in oracle?

1116

What do you understand by a database object?

1075

Can select statements be used on views in oracle?

1034

What are the different windows events activated at runtime ?

2908

Explain the use of indexes option in exp command.

1156

How to create a new oracle data file?

1039

How to declare a local variable?

1133

What is the purpose of tables, private synonyms and public synonyms in Oracle?

1053