Sql memory usage increase each time win app runs

Hi,
Sql memory usage increases each time when win app runs. Why does it work like this? Is it normal ?
I restart SQL Server 2012. Only my win app uses SQL server.
First run of winapp.
start memory usage : 211.800 KB
close memory usage: 528.136 KB
Second run of xaf app.
start memory usage : 528.136 KB
close memory usage: 996.844 KB
Third run of xaf app
start memory usage : 996.844 KB
close memory usage: 997.640 KB
Fourth run of xaf app
start memory usage : 997.640 KB
close memory usage: 1.104.864 KB

Hi,
Sql memory usage increases each time when win app runs. Why does it work like this? Is it normal ?
Yes, it is perfectly normal for SQL Server to acquire and hold onto large amounts of memory indefinitely. This memory improves performance by avoiding disk I/O, query plan compilation and costly memory management.
On a dedicated SQL Server you should usually let SQL Server dynamically manage memory. It will release memory if it detects memory pressure. But if you often run other applications on the server than need significant amounts of memory (e.g. IIS,
application services), you may want to set max server memory as suggested.
Dan Guzman, SQL Server MVP, http://www.dbdelta.com

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File - create new on date change.vi ‏15 KB

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Message Edited by jcarmody on 04-13-2009 05:58 PM
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examp.jpg ‏19 KB

Sql memory usage increase each time win app runs

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