What is a NULL value? What are the pros and cons of using
NULLS?
Answer Posted / sunil1405
A null value indicates that there is blank value in the
column field. It takes one byte of storage. Null value
requires special prog. to be handled in the app. prog
| Is This Answer Correct ? | 2 Yes | 6 No |
Post New Answer View All Answers
How do you find the maximum value in a column in db2?
How can record locking be achieved in those DB2 versions which do not support it?
What is db2 instance?
When reorg is used?
Which component is used to execute the sql statements?
What are foreign keys in db2?
What is explain plan in db2?
What is universal database?
What os does db2 run on?
Is ibm db2 free?
is it compulsory commitment control in journal?
How to find the number of rows in db2 tables?
Define check constraint.
What are concurrency issues?
Which command is used to remove all rows from a table?