what is null value?

Answer Posted / ruchi singh

null is a value that is unknown , unavailable or
inapplicable. Null is not same as zero or blank space.

Is This Answer Correct ?    48 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to execute the package in oracle?

572


What is a private synonym?

1086


How do you increase the OS limitation for open files (LINUX and/or Solaris)?

1468


How to define an oracle cursor variable?

569


Write a syntax for update query in oracle?

622






How many types of cluster table in Oracle?

579


How to divide query output into groups in oracle?

563


Where is the export dump file located?

575


Is oracle a programming language?

568


Explain the use of indexes option in exp command.

595


I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.

1704


How to sort output in descending order in oracle?

578


How to update values in a table in oracle?

579


How to define a record variable to store a table row?

579


How to connect to a remote server?

562