what is null value?

Answer Posted / kuldeep singh

Null value is that value which is neither zero or space or
any character.null is not a value its just a concept to
avoid all values.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What query tells you how much space a tablespace named test is taking up, and how much space is remaining?

2039


How to run create database statement?

811


What do you mean by merge in oracle?

798


What is a subquery in oracle?

844


What is the difference between PFILE and SPFILE in Oracle?

820


How to initialize variables with default values?

922


How do you store pictures in a database?

782


From the following identify the non schema object: packages, triggers, public synonyms, tables and indexes.

855


Are truncate and delete commands same? If so why?

891


How to connect the oracle server as sysdba?

864


How to delete a column in an existing table in oracle?

863


What are the data types in oracle?

809


Why do we use bulk collect in oracle?

845


What are triggers in oracle?

811


What is the usage of analyze command in oracle?

882