What is referential relationship type in SAP BC-DWB-TOO-DMO - Data Modeler?

SAP Term: referential relationship type

• Component: BC-DWB-TOO-DMO

• Component Name: Data Modeler

• Description: Relationship between two entity types. The target entity type is dependent on the source entity type. The source entity type determines the context of the target entity type, i.e. the target entity type contains an attribute group of the source entity type, but this group does not generate the target entity type.

Smart SAP Assistant

• Key Concepts: 
  Referential relationship type is a type of relationship between two objects in the SAP Data Modeler. It is used to define the relationship between two tables, such as a foreign key relationship. It is also used to define the relationship between two columns, such as a primary key-foreign key relationship. 
  
  How to use it: 
  In order to use referential relationship type in SAP Data Modeler, you must first create two tables and define the relationship between them. Then, you can create a referential relationship type by selecting the two tables and defining the type of relationship between them. You can also define the relationship between two columns by selecting the columns and defining the type of relationship between them. 
  
  Tips & Tricks: 
  When creating a referential relationship type, it is important to ensure that the data types of the columns are compatible. This will ensure that the data can be properly stored and retrieved from the database. Additionally, it is important to ensure that all of the columns involved in the relationship have unique values so that they can be properly identified. 
  
  Related Information: 
  Referential relationships are an important part of database design and are used to ensure data integrity and consistency. They are also used to enforce data security and prevent unauthorized access to data. Additionally, referential relationships can be used to improve query performance by reducing the number of joins required in a query.