ABAP Keyword Documentation → ABAP Dictionary → Classic Objects in ABAP Dictionary
Enhancements
A structure, database table, or database view in ABAP Dictionary created in a system can be enhanced in a different system using customizing includes, append structures, or append views without making any modifications. Customizing includes indicate points already marked by SAP for enhancements, whereas append structures can be appended anywhere.
Other versions:
7.31 | 7.40 | 7.54
Note
For CDS views, CDS view enhancements are an option for enhancements that is based on the DDL in ABAP CDS.