Answer Posted / ashu_deepu
most generally confuse the null value with zero.
but zero is different then null.
null can be understand as unknown value.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
How data locks are respected in oracle?
How can we delete duplicate rows in a table?
what is the need of indexing topic in oracle? where do we use in a Java project? any other option other than using this to get the same result where we use indexing ?
What is the difference between sharding and replication?
What happens to the current transaction if the session is killed?
What are the varoius components of physical database structure of oracle database?
What is control file used for?
Explain user account with reference to oracle.
What is SQL access advisor in Oracle?
How to set up autotrace for a user account?
What are the various constraints used in oracle?
How to get maxsal , minsal, ename department wise in single query
What is a partition in oracle?
what are bitmap indexes? How does they work?
How to convert a date to char in oracle? Give one example.
