Answer Posted / kannan
Null value is unknown, unavailable .
NUll is not equal to Zero or Space .
Null is not equal to another Null value.
Null value can be assigned to variable or attributes (any
datatypes)
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How do I learn what codesets are available in oracle?
What is a nvl function?
Can you have more than one content canvas view attached with a window ?
What is analyze command used for?
types of indexes and the rationale behind choosing a particular index for a situation.
How to use subqueries with the exists operator in oracle?
In what script is snap$ created? In what script is the scott/tiger schema created?
How many types of cluster table in Oracle?
Explain the use of record length option in exp command.
How to use values from other tables in update statements using oracle?
Hi Can any one tell me what are the API's used in requisition import.
Is primary key indexed by default in oracle?
What is the data type of dual table?
Explain compound trigger in oracle?
how do u setup a replication site?