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The basic difference between a Vector and an ArrayList is that, vector is synchronized while ArrayList is not. Thus whenever there is a possibility of ...
Yes. In some cases the data is inserted NOT using Java application,...........

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Publish Subscribe model is typically used in one-to-many situation. It is unreliable but very fast. P2P model is used in one-to-one situation. It is h ...
You could use the COUNT keyword , example SELECT COUNT(*) FROM emp WHERE age>40 [Source: JAGAN MOHAN "Interview questions bible"] ...
Tell whatever you want - you can't be caught here. Popular answers are Windows 95/98, Windows 2000 (make sure you know various flavors) and various Un ...
Given two variables A and B, using 0-additional memory exchange their values.
A closure is a case when a function creates an environment that binds local variables in such a way that they are kept alive after the function has re ...
An isolation level determines the degree of isolation of data between concurrent transactions. The default SQL Server isolation level is Read Committe ...