What is referential integrity in SAP BC-DWB-DIC - ABAP Dictionary?

SAP Term: referential integrity

• Component: BC-DWB-DIC

• Component Name: ABAP Dictionary

• Description: Every foreign key must refer to an existing primary key.

Smart SAP Assistant

• Key Concepts: 
  Referential integrity is a concept in SAP that ensures data consistency and accuracy by preventing the creation of orphan records. It is a set of rules that are enforced by the system to maintain the relationship between two tables. In SAP, referential integrity is enforced through foreign keys, which are fields in one table that refer to the primary key of another table. 
  
  How to use it: 
  In order to use referential integrity in SAP, you must first create a foreign key in one table that refers to the primary key of another table. This foreign key must be defined as a “referential integrity constraint” in the ABAP Dictionary. Once this is done, the system will automatically enforce the referential integrity rules when data is entered into or modified in either table. 
  
  Tips & Tricks: 
  When creating a foreign key, make sure that it is defined as a “referential integrity constraint” in the ABAP Dictionary. This will ensure that the system enforces the referential integrity rules when data is entered into or modified in either table. Additionally, it is important to note that referential integrity can only be enforced between two tables if both tables have primary keys. 
  
  Related Information: 
  For more information on referential integrity and how to use it in SAP, please refer to the SAP Help Portal article “Referential Integrity Constraints” (https://help.sap.com/viewer/d3f9f8a7c2b14e6c9f3d7a8b2e5f1e4a/7.5.3/en-US/d3f9f8a7c2b14e6c9f3d7a8b2e5f1e4a.html).