1. SAP Glossary
  2. Warehouse Management
  3. surrogate index


What is 'surrogate index' in SAP BW-WHM - Warehouse Management?


surrogate index - Overview

  • Component: BW-WHM

  • Component Name: Warehouse Management

  • Description: Special BI index of the key fields of a fact table. The surrogate index is created on a fact table instead of the primary index. In contrast to the primary index, the surrogate index has no UNIQUE restriction.


surrogate index - Details


  • Key Concepts: Surrogate index is a feature of SAP BW Warehouse Management (BW-WHM) that allows for the efficient storage and retrieval of data. It is an indexing technique that uses a surrogate key to represent the original data values. This surrogate key is used to store and retrieve data from the database, making it faster and more efficient than traditional indexing techniques.
    How to use it: Surrogate indexing can be used in SAP BW Warehouse Management (BW-WHM) to improve the performance of data retrieval operations. To use surrogate indexing, a surrogate key must be created for each data value. This key is then used to store and retrieve the data from the database. The surrogate key is typically an integer or a string of characters that uniquely identifies each data value.
    Tips & Tricks: When using surrogate indexing in SAP BW Warehouse Management (BW-WHM), it is important to ensure that the surrogate keys are unique and do not overlap with other keys in the database. Additionally, it is important to ensure that the surrogate keys are properly maintained and updated when new data values are added or existing values are changed.
    Related Information: Surrogate indexing is a common technique used in many database systems, including SAP BW Warehouse Management (BW-WHM). Other indexing techniques, such as B-tree and hash indexing, can also be used in SAP

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surrogate index - Related SAP Terms

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