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Creating Selection Versions 
In large projects, we recommend you save the evaluation as a selection version. A selection version contains all data matching your selection criteria, including dynamic selections.
The main advantage of working with selection versions is that the data is read from a special table when you access the report; it does not have to be selected by the database. This means you can view the evaluation quickly at any time.
You can create selection versions in background processing and call up the evaluation later.

Selection versions contain only the data that existed when they were created. Changes made since then are not included.
You can only create selection versions for technical project reports.
Before you call up the project evaluation, you can create a selection version in the information system initial screen.
...
1. Choose Evaluation ® Save selection version.
The Save Selection Version dialog box appears.
2. To create the selection version online, choose No.
3. Enter a name and the number of days you want to keep the selection version before it is automatically deleted.
You can set the protected indicator to prevent anyone but yourself from deleting the selection version before the deletion date.
4.
Choose
Continue.
The system automatically creates a selection version. You then branch to the initial screen.

To create a selection version in the project structure overview (transaction code CN41N), choose Evaluation ® Selection Version ® Save.
Before you call up the project evaluation, you can create a selection version in the background in the information system initial screen. This may be necessary for large projects, to avoid time-out problems.
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1. Choose Yes in the Save Selection Version dialog box.
The system then displays the Background Print Parameters dialog box.
2. Enter a title for the background job. This will also be the name of the selection version. The system automatically sets the number of days until deletion to 30 and sets the protected indicator.
3. In the Start Time dialog box, schedule a time for the background job to run.
4.
Choose
Save.
You get the message: “Background job scheduling generated for program...”
For more information on background processing, refer to: BC Computing CenterManagement System.
In the evaluation, you can create selection versions either by choosing Evaluation ® Save selection version or when you leave the evaluation. When you leave the evaluation, you can save the current evaluation as a selection version in the Leave Information System dialog box.
Once you have saved selection versions they are available to all those authorized to use your Project System installation.
When you call up the selection version, the system automatically checks your authorization and only displays the data you are authorized to see.

The system cannot read old selection versions after you install a new maintenance level. Do not use the selection versions to document the state of the project. The project versions are available for this purpose.
