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.Net Database Interview Questions&Answers Part 2

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What is the purpose of using COLLATE in a query? Answer1. Collation refers to a set of rules that determine how data is sorted and compared. Character data is sorted using rules that define the correct character sequence, with options for specifying case-sensitivity, accent marks, kana character types and character width. Answer2. COLLATE is a clause that can be applied to a database definition or a column definition to define the collation, or to a character string expression to apply a collation cast. What is one of the first things you would do to increase performance of a query? For example, a boss tells you that “a query that ran yesterday took 30 seconds, but today it takes 6 minutes”? Answer1. Use Storedprocedure for any optimized result, because it is an compiled code. Answer2. One of the best ways to increase query performance is to use indexes. What is an execution plan? When would you use it? How would you view the execution plan? The Query Analyzer has a fe...
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JAVA Interview Questions&Answers Part 1

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Can a private method of a superclass be declared within a subclass? Sure. A private field or method or inner class belongs to its declared class and hides from its subclasses. There is no way for private stuff to have a runtime overloading or overriding (polymorphism) features. Why Java does not support multiple inheritence ? Java DOES support multiple inheritance via interface implementation. What is the difference between final, finally and finalize? o final - declare constant o finally - handles exception o finalize - helps in garbage collection Where and how can you use a private constructor. Private constructor can be used if you do not want any other class to instanstiate the object , the instantiation is done from a static public method, this method is used when dealing with the factory method pattern when the designer wants only one controller (fatory method ) to create the object. In System.out.println(),what is System,out and println,pls explain? System is a predefined f...
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.Net Interview Questions&Answers Part 1

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What is .NET? .NET is essentially a framework for software development.It is similar in nature to any other software development framework (J2EE etc) in that it provides a set of runtime containers/capabilities, and a rich set of pre-built functionality in the form of class libraries and APIs The .NET Framework is an environment for building, deploying, and running Web Services and other applications. It consists of three main parts: the Common Language Runtime, the Framework classes, and ASP.NET. 1. How many languages .NET is supporting now? When .NET was introduced it came with several languages. VB.NET, C#, COBOL and Perl, etc. The site DotNetLanguages.Net says 44 languages are supported. 2. How is .NET able to support multiple languages? A language should comply with the Common Language Runtime standard to become a .NET language. In .NET, code is compiled to Microsoft Intermediate Language (MSIL for short). This is called as Managed Code. This Managed code is r...
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