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The SERM (structured entity relationship model) is an amplification of the ERM which is commonly used for data modeling. It was first proposed from Prof. Dr. Elmar J. Sinz in 1988. The SERM is commonly used in the SAP -world for the data modeling .
Visual representation often may also be exported as a production-ready source code made in DB-compatible languages like SQL. The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS).
Selective Data Transition [34] (formerly: Landscape Transformation) - This is a consolidation of current regional SAP systems into one global SAP S/4HANA system [35] or a split out of different parts of a system: Customers who want to consolidate their landscape or carve out selected entities (such as a company code) or processes into a single ...
The entity–relationship model proposes a technique that produces entity–relationship diagrams (ERDs), which can be employed to capture information about data model entity types, relationships and cardinality. A Crow's foot shows a one-to-many relationship. Alternatively a single line represents a one-to-one relationship. [4]
SAP Exchange Infrastructure (XI) (From release 7.0 onwards, SAP XI has been renamed as SAP Process Integration (SAP PI)) SAP Extended Warehouse Management (EWM) SAP FICO; SAP BPC (Business Planning and Consolidation, formerly OutlookSoft) SAP GRC (Governance, Risk and Compliance) SAP EHSM (Environment Health & Safety Management)
It occurs when a (master) table links to multiple tables in a one-to-many relationship. The issue derives its name from the visual appearance of the model when it is drawn in an entity–relationship diagram, as the linked tables 'fan out' from the master table. This type of model resembles a star schema, which is a common design in data ...
There are several notations for data modeling. The actual model is frequently called "entity–relationship model", because it depicts data in terms of the entities and relationships described in the data. [4] An entity–relationship model (ERM) is an abstract conceptual representation of structured data.
The following other wikis use this file: Usage on cs.wikipedia.org Entity-relationship model; Usage on en.wikiversity.org Concept mapping; Usage on hu.wikipedia.org