SAP DDIC DBTAB NAMES

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ABAP_DDIC - Naming Rules for Database Tables
The name of a database table defined in the ABAP Dictionary must adhere to the following rules:

It can have a maximum of 16 characters.

It must follow the naming rules for DDIC types .

It must follow the special naming rules for DDIC structures.

It is in the namespace of DDIC data types and hence in the namespace of all global types of an AS ABAP.