null value means null it it not equal 0 or space. if we add,delete,subtrac

what is null value?

Question Posted / anilchauhan85

Answer Posted / anilchauhan85

null value means null it it not equal 0 or space.
if we add,delete,subtract in null then return null.
ex.
1+2+null=null

Is This Answer Correct ?

4 Yes

3 No

Please Help Members By Posting Answers For Below Questions

How to rollback the current transaction in oracle?

1056

What is the usage of synonyms?

1143

How to invoke the original export import utilities?

1064

how to clone 9i Database on to 10g Database.

2340

Explain the use of file option in exp command.

1131

How to specify default values in insert statement using oracle?

1111

How to see free space of each tablespace?

1036

Does facebook use oracle?

1036

How to assign values to variables?

1107

How many types of auditing in Oracle?

1035

How a database is related to tablespaces?

1036

Give the various exception types.

995

What are the ways tablespaces can be managed and how do they differ?

2368

Is there an oracle sql query that aggregates multiple rows into one row?

984

How to check the server version in oracle?

1094