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What is the wildcard character in SQL?

More interview questions and answers

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What is the wildcard character in SQL?

Explain ACID rule of thumb for transactions.

What connections does Microsoft SQL Server support?

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What happens in memory when you Box and Unbox a value-type?

What�s the difference between the System.Array.CopyTo() and System.Array.Clone()?

What�s the advantage of using System.Text.StringBuilder over System.String?

What�s the difference between System.String and System.Text.StringBuilder classes?

Describe the accessibility modifier �protected internal�.

Are private class-level variables inherited?

Explain the three services model commonly know as a three-tier application .

When do you absolutely have to declare a class as abstract?

What is an interface class?

Why can�t you specify the accessibility modifier for methods inside the interface?

Can you inherit multiple interfaces?

What happens if you inherit multiple interfaces and they have conflicting method names?

What is the difference between a Struct and a Class?

What�s the implicit name of the parameter that gets passed into the set method/property of a class?

What are the different ways a method can be overloaded?

What�s a multicast delegate?

What�s the difference between // comments, /* */ comments and /// comments?

What debugging tools come with the .NET SDK?

What does assert() method do?

What�s the difference between the Debug class and Trace class?

Why are there five tracing levels in System.Diagnostics.TraceSwitcher?

Where is the output of TextWriterTraceListener redirected?

How do you debug an ASP.NET Web application?

What are three test cases you should go through in unit testing?

What is the role of the DataReader class in ADO.NET connections?

What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?

What is the wildcard character in SQL?

Explain ACID rule of thumb for transactions.

What connections does Microsoft SQL Server support?

Between Windows Authentication and SQL Server Authentication, which one is trusted and which one is untrusted?

What does the Initial Catalog parameter define in the connection string?

What does the Dispose method do with the connection object?

What is a pre-requisite for connection pooling?

What happens in memory when you Box and Unbox a value-type?

How do you convert a value-type to a reference-type?

When should you call the garbage collector in .NET?

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