Representing GUIDs as a fixed string vs. using the RAW datatype

I possibly made a mistake having my GUIDs represented as a CHAR (37) instead of using RAW (16). Our GUIDs appear in the database similar to the example listed below:
{9DDD37EA-D2064770-A6C0888F-7A2771B8}
Is there a huge disadvantage to the way we are representing our GUIDs? I know there is in the case if I want to use sys_guid () to generate GUIDs in a stored procedure, but are there any other reasons as to why I should switch? Would look ups in the database be quicker as a result?

Hi Steve
It seems like you have alot of different versions of Crystal Reports and Business Objects products and you are getting them mixed up a bit. It can be confusing.
So basically you want to access Crystal reports via the BO SDK and you want the reports to connect to web services.
1. Creating the Report
Since you have BOE XI R2 my guess is that you have a copy of Crystal Reports XI R2 or R1.
Create the report with XI because it comes with a special XML Web Services data source driver. My guess is that you already have the web service created.
2. Publish the report to BOE XI.
Using the report designer publish the report to BOE (Save As).
3. Write code to view the report.
If you need to change the datasource at runtime then you will want to use the Report Application Server (RAS) SDK to do that. If you are only changing the data source to move from Dev/QA/Production then you may not want to do this task at runtime. In the CMC you should be able to change the data source for migration purposes.If you truely need to do it at runtime then you want to do RAS.
Here's a sample to get you started.
http://diamond.businessobjects.com/node/6197
<a href="/blog/10">Rob's blog - http://diamond.businessobjects.com/robhorne</a>

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