When is SID created? When is DIM ID created?
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Answer Posted / asif khan
SID is surrogate ID generated by the system. The SID tables are created when we create a master data IO. In SAP BI Extended star schema, the distinction is made between two self contained areas: Info cube & Master data tables and connecting SID tables.
The master data doesn't reside in the Extended Star schema but resides in separate tables which are shared across all the star schemas in SAP BI.
An Unique Numeric ID , the SID is generated which connects the dimension tables of the infocube to that of the master data tables.
The dimension tables contain the DIM IDs and SIDs of a particular Characteristic Info Object. Using this SID Table the Master data ( attributes and texts of Info Object) is accessed.
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