SAP DDIC DATABASE TABLES DAT TYPE



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ABAP_DDIC - Data Class of Database Tables
For the database platform Oracle, the data class determines the physical area (tablespace) of the database in which a DDIC database table is created. For other database platforms, the data class does not have any effect and is ignored. The most important data classes for application data are:
<(>APPL0<)> (master data) Data that is rarely changed. One example of master data is data in a table of addresses, such as names, postal addresses, and telephone numbers.
<(>APPL1<)> (transaction data) Data that is frequently changed. One example of transaction data is warehouse stock that changes each time an order is placed.
<(>APPL2<)> (organizational data) Customizing data specified when the system is configured and then changed only rarely. One example is the table T005 that contains the country codes.
<(>USR<)> and <(>USR1<)> (customer data) DDIC database tables for customer developments in a separate tablespace.
There are further data classes for system tables used internally by runtime frameworks, such as <(>SDIC<)> for ABAP Dictionary tables.