primary key does not null,but unique key also null.

Difference between primary key and unique key ?

Question Posted / sarvan yadav

Answer Posted / sarvan yadav

Is This Answer Correct ?

2 Yes

2 No

Please Help Members By Posting Answers For Below Questions

What is the difference difference between $ORACLE_HOME and $ORACLE_BASE.

1058

What is coalesce function?

1009

What is a user account in oracle?

1069

What is oracle datasource?

926

types of indexes and the rationale behind choosing a particular index for a situation.

2445

What is redo log?

1006

Does oracle partitioning improve performance?

947

What are the types of partitions in oracle?

976

What is the difference between substr & instr functions?

1123

What is meant by recursive hints in oracle?

1029

what is the difference between functional dependecy and multilevel dependency?

2422

What is a cognitive schema?

907

How do you find current date and time in oracle?

989

What is proxy method?

931

Can we insert data in view oracle?

963