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neelam
JDBC connection pooling
2 Answer(s)      3 years and 6 months ago
Posted in : Java Interview Questions


What is Connection pooling?

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October 18, 2010 at 3:24 PM


This will give you access to a collection of already opened database connections,which will reduce the time it takes to service a request,and u can service n number of requests at once. Java developers often need to use objects that require a lot of resources to create and destroy. Many times, they find that they need to reuse an object that they created and destroyed only a little while before.As a result, many choose to create objects once and then hold them in memory indefinitely. In some applications, having only one object in memory will not suffice, and you will need to create more. A typical project scenario is to create a number of objects of similar type and use them across an application in different contexts, maybe simultaneously.Holding many objects together like this is known as pooling and the collection of objects itself is called a pool.


October 18, 2010 at 3:27 PM


Hi, This will give you access to a collection of already opened database connections,which will reduce the time it takes to service a request,and u can service n number of requests at once. Java developers often need to use objects that require a lot of resources to create and destroy. Many times, they find that they need to reuse an object that they created and destroyed only a little while before.As a result, many choose to create objects once and then hold them in memory indefinitely. In some applications, having only one object in memory will not suffice, and you will need to create more. A typical project scenario is to create a number of objects of similar type and use them across an application in different contexts, maybe simultaneously.Holding many objects together like this is known as pooling and the collection of objects itself is called a pool.


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