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I have the following EmployeeMaster table in Test database.
empID empName empStatus
1 Naga A
2 Sundar A
3 Siva A
4 Shankar A
5 Kevin NULL
6 Kumar I
In Empstatus column we are having four Active employees,one inactive employee and one employee without any status that is NULL.
If I run the following query, how many rows will be returned by SQL Server?
select * from EmployeeMaster where empStatus <> 'A'
on 11/11/2012 | Category:
Sql Server Interview questions
| Views: 2729 |
Select from following answers:
zero (no) rows
Normally NULL value will be omitted when we select query based on column. Since empstaus of 'Kevin' is NULL, it will not be considered even though it is not 'A'. So It will return only one row that is of employee 'Kumar'.
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Comments or Responses
on: 11/15/2012 |
excellent nagasundar can you help me with these kind of scenario queries and send me to the mail id email@example.com
on: 11/22/2012 |
thank you so much for helping to gain a more knowledge
on: 1/13/2013 |
I have go through your blog nice material. Thanks
Day After Tomorrow i have a interview please send sql interview question i'm having 4 years of experience in software field.
my mail id is firstname.lastname@example.org
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