SAP-BI@Reporting@Variables

Variables:-
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* To Parameterise the queries.
* To make queries dynamic.
Types of Variables:-
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1) Characteristic value Variable
2) Text Variable
3) Formula Variable
4) Hierarchy Variable
5) Hierarchy Node Variable
Processing Types of Variables:-
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1) User Enter / Default
2) Customer Exit
3) SAP Exit
4) Authorization
5) Replacement Path
Case : I
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Characteristic value Variable with User Entry / Default.
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Case : II
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* Characteristic value Variable with Replacement path
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* when we want the Characteristic value Variable to be replaced with the query result of other query.
Case : III
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* Characteristic value Variable with SAP Exit.
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* All Business content Variables will have the process type as SAP Exit.
* We will never work with this.
Case : Iv
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* Characteristic value Variable with Authorizations
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