Answer / kishore

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

Answer / shailesh

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

Answer / reva

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

Answer / nkm

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

What is type cast in C#?

0 Answers   TryTechnicals Pvt Ltd,

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How do you type a null character?

0 Answers  

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Why do we need escape characters?

0 Answers  

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Explain the process of abstraction with an example?

0 Answers  

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How do you implement multiple inheritance in .NET?

5 Answers   Infosys, Microsoft,

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What is hashtable c#?

0 Answers  

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Why do we need collections in c#?

0 Answers  

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When a Static Constructor is called in a Class?

0 Answers  

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What are cshtml files?

0 Answers  

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How many aware interfaces are there?

0 Answers  

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How to achieve polymorphism in c#?

0 Answers  

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What is the Use Of Interfaces? For example I have a interface as shown below? Interface IMyInterface { public void MyMethod(); } class MyClass : IMyInterface { public void Mymethod() { Some Code } } class Program { static void Main(string[] args) { MyClass obj = new MyClass(); obj.MyMethod(); } } Here What is My Question is? If i remove Interface and run this code, it will executed then what is the Use of the interface? Can any one give me the solution for this Problem? Thanks in Advance!

1 Answers   HCL,

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