what is null value?

Answer Posted / ela tiku

Null Value is neither zero nor it is a blank space. It is
some unknown value which occupies 4 bytes of space of
memory in SQL.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain how are indexes update?

623


How to pass a parameter to a cursor in oracle?

599


Difference between pre-select and pre-query

579


How translate command is different from replace?

550


An automatic job running via DBMS_JOB has failedKnowing only that its failed, how do you approach troubleshooting this issue?

1626






What is the maximum number of triggers that can be applied to a single table?

561


What is partitioned table in Oracle?

641


How to rename an index in oracle?

621


How do I reset a sequence in oracle?

600


How to create a testing table in oracle?

547


candidate key is subset of super key but not vice-verse explain

1582


How to write an inner join with the where clause in oracle?

587


How can I get column names from a table in oracle?

538


Oracle

1859


Can sub procedure/function be called recursively?

541