Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / vaibhavi_dixit
Null value is that value which is neither zero or space or
any character.This value is defined by Oracle server, and
hence cannot be described.Also every null value generated
by server is unique than another..hence we cannot compare
it with character, numeric or date functions.
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
What is the difference between truncate & delete command?
How can you use check constraints for self referential integrity?
How many categories of data types in oracle?
What are privileges and grants?
What do you understand by database schema and what does it hold?
What is redo log?
What are the differences between blob and clob in oracle?
How to export data with a field delimiter?
What is the scope of a local variable?
What is query image?
What is oracle latest version?
How to open a cursor variable?
What is ADDM Advisor in Oracle?
What is a package in oracle?
How to define a data field as not null?
