What is 'master data ID' in SAP BW - SAP Business Information Warehouse?

master data ID - Overview

• Component: BW

• Component Name: SAP Business Information Warehouse

• Description: Internal key of type INT4 that you use for master data for master data-bearing characteristics, especially for hierarchy nodes and for characteristic names. Master data IDs SIDs and characteristic values are stored in master data tables SID tables. Information about time-independent or time-dependent master data, which is stored in a P table or a Q table, is saved again in an X or Y table, using SIDs instead of characteristic values.

master data ID - Details

• 
  Key Concepts: 
  Master data ID is a unique identifier used in SAP Business Information Warehouse (BW) to identify master data records. It is used to link master data records to other objects in the system, such as InfoObjects, InfoProviders, and InfoSources. The master data ID is also used to track changes in the master data over time. 
  
  How to use it: 
  The master data ID is automatically generated when a new master data record is created in BW. It can be found in the “Master Data” tab of the BW system. The ID can be used to link the master data record to other objects in the system, such as InfoObjects, InfoProviders, and InfoSources. 
  
  Tips & Tricks: 
  It is important to note that the master data ID is not visible in the user interface of BW. However, it can be accessed through the “Master Data” tab of the BW system. 
  
  Related Information: 
  The master data ID is related to other objects in the system, such as InfoObjects, InfoProviders, and InfoSources. It is also related to the “Master Data” tab of the BW system, which contains all of the master data records in the system.