Database load testing best practises

Hello,
I know this is not the right forum but hoping some one could help me with this. I want to test my database with jmeter. I am not sure what should i be looking for for testing the database. Like I have 7 tables and at most 300 users can login to the system. So I was wondering should i be testing the select and update statements for all the tables? Are there any set of guide lines any one is aware of?
Thank you.

Check if the server is ok with memmory and cpu usage and swap..........
ON database side check the long running active sessions where they are waiting and suggest something so that these queries can speed up. You can suggest code change like new indexes , hints or outlines etc.....after checking the waits and sql plans of various slow sql statemenets

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    Oracle version - 10.2.0.3
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    So our app is ready for prime time and we are concerned about response times whether we will survive 100 simultaneous users.
    It would be additionally useful if I knew how many users we could tolerate simulataneously.
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    If you have money to spend, I would recommend using Oracle's Application Test Suite (ATS) since it is the only test tool I know of that allows you to create a functional test and then convert it to a load test. The capabilities of this tool are pretty amazing considering that it is a single tool where the go to toolset in the past was Win Runner / Load Runner. With Win Runner, you needed 50 machines (or VMs) if you wanted to generate front end load for 50 users. With ATS, you record a script with your browser, and then convert it into a load test. You can adjust things like think time, ramp up time, sustained load, etc.
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    user8211187 wrote:
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    Due to constraints in load testing environment, we cannot test for 6000 users in production. Hence, we have to extrapolate the database parameter settings and put in production.
    The SGA sizing & some other parameters in Load Testing is as below (with the following setting in load, the performance is acceptable)
    sga_max_size 7.5 GB Upon which metrics was 7.5GB derived?

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    >>I
    have looked in the database on my local machine (LoadTest2010, where all of the summary data is stored) and I cannot find the data I'm looking for. 
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    We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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    *     at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:320)*
    *     at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)*
    *     at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)*
    *     at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)*
    *     at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)*
    *     at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)*
    *     at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)*
    *     at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)*
    *     at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)*
    *     at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)*
    *     at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)*
    *     at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)*
    *     at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)*
    *     at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)*
    *     at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)*
    *     at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)*
    *     at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)*
    *     at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)*
    *     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)*
    *     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)*
    *     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)*
    *     at java.lang.reflect.Method.invoke(Method.java:597)*
    *     at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)*
    *     at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)*
    *     at org.eclipse.equinox.launcher.Main.run(Main.java:1236)*
    *     at org.eclipse.equinox.launcher.Main.main(Main.java:1212)*
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    *     at oracle.oats.utilities.db.JavaDbSystem.executeQuery(JavaDbSystem.java:335)*
    *     at oracle.oats.utilities.db.core.ElementDao.selectParentId(ElementDao.java:215)*
    *     at oracle.oats.utilities.db.DatabasePersister.getParentIdFor(DatabasePersister.java:89)*
    *     at oracle.oats.scripting.models.store.util.db.ModelDBPersistence.getElementParentId(ModelDBPersistence.java:278)*
    *     ... 104 more*
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    *     at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.Util.noCurrentConnection(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.EmbedConnection.checkIfClosed(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.EmbedConnection.setupContextStack(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)*
    *     at oracle.oats.utilities.db.util.SQLUtils.prepare(SQLUtils.java:307)*
    *     at oracle.oats.utilities.db.StatementFactory.makeStatement(StatementFactory.java:20)*
    *     at oracle.oats.utilities.db.PreparedStatementCache.addStatement(PreparedStatementCache.java:38)*
    *     at oracle.oats.utilities.db.JavaDbSystem.executeQuery(JavaDbSystem.java:316)*
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    *     at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)*
    *     at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)*
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    Abhi.
    Edited by: 1002084 on Apr 25, 2013 12:12 AM

    Hi,
    I think your password is encrypted. Try replace password "a99fad1866af01d9375627d5d08d7f1c11ed4d3f6d5d2372d40908884a15b8e6" with your password.
    Or Get output of obfuscate("your password") and replace "a99fad1866af01d9375627d5d08d7f1c11ed4d3f6d5d2372d40908884a15b8e6" with {{@deobfuscate( output of obfuscate("your password") )}}
    Regards,
    Deepu M

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