1) how to delete duplicate records from table in sql server
2005

2) what is run time polymorphism

Answers were Sorted based on User's Feedback



1) how to delete duplicate records from table in sql server 2005 2) what is run time polymorphi..

Answer / kishore

select distinct * from Mytable
select distinct * into Newtable from Mytable
drop table Mytable
select * into Mytable from Newtable

Is This Answer Correct ?    12 Yes 7 No

1) how to delete duplicate records from table in sql server 2005 2) what is run time polymorphi..

Answer / shailesh

2>Polymorphism is done by two way Overloading and
overriding.Overriding is called the runtime Polymorphism.

Is This Answer Correct ?    3 Yes 1 No

1) how to delete duplicate records from table in sql server 2005 2) what is run time polymorphi..

Answer / reva

DELETE FROM tableName WHERE id NOT IN
(SELECT MIN(id) FROM tableName GROUP BY name)

Is This Answer Correct ?    2 Yes 2 No

1) how to delete duplicate records from table in sql server 2005 2) what is run time polymorphi..

Answer / nkm

SELECT col1,col2 FROM tDupData
GROUP BY col1,col2
HAVING COUNT(*) > 1

Is This Answer Correct ?    4 Yes 14 No

Post New Answer

More C Sharp Interview Questions

windows c# using datagridview in edit form sql server

0 Answers  


What is class sortedlist underneath?

0 Answers  


If a class is a ref type, how we can pass to a function.

1 Answers   Synechron,


wt is namespace? wt is the use?

12 Answers  


What is a string in c#?

0 Answers  






What is the implicit name and type of the parameter that gets passed into the class set method?

0 Answers  


Can a string be null c#?

0 Answers  


Why do we need interfaces?

2 Answers   HCL,


What is null in database?

0 Answers  


What is the difference between a function and a method?

0 Answers  


Can you drink alcohol with a loop recorder?

0 Answers  


What is parameters in c#?

0 Answers  


Categories