Oracle Database Developer Interview Question:

How you change program Global Area (PGA) in Oracle?

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Your 10g XE server has a default setting for Program Global Area (PGA) of 40MB. The PGA size can be changed to a new value depending on how much data a single session should be allocated. If you think your session will be short with a small amount of data, you should change the PGA size to 16MB by:

* Log into the server home page as SYSTEM.
* Go to Administration, then Memory.
* Click Configure PGA.
* Enter the new memory size: 16
* Click Apply Changes to save the changes.
* Re-start your server.
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