what is the output of select * from emp where null=null &
select * from emp where 1=1
Answer Posted / samir kumar sahoo
select*from emp where null=null;
this command will not return any record bcoz the
condition null=null false as two null values are not equal.
select*from emp where 1=1;
will return all the records present in the table emp as
the condition 1=1 is always true.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
How can we force the database to use the user specified rollback segment?
How to pass parameters to procedures?
What is oracle database client?
Iam learning oracle developer 2000.. can anyone give me then tutorials sites or PDF related to developer 2000 please send me the details @ mak2786@gmail.com thanks Arun
Explain how you would restore a database using RMAN to Point in Time?
What is the parameter mode that can be passed to a procedure?
Explain what are the different type of segments?
Why is oracle database so popular?
What is Reduced List of Values?
Please explain compound trigger in oracle?
What is the max number of columns in an oracle table?
What is the best way to do multi-row insert in oracle?
How to upsert (update or insert into a table)?
What are the uses of linked server and explain it in detail?
Can you create a synonym without having a table?