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Question Database


14) In how many ways we can modify SAP tables?


• Groups of fields or individual fields can be added to SAP delivered tables using append structures, or customizing includes:


Ø Customizing includes are provided in SAP tables and structures to allow you to add fields to these structures/tables without modifying the tables themselves.


Ø Append structures allow you to add fields to SAP-provided structures and transparent tables that were not provided for in the standard version.


Customizing includes are supplied empty by SAP and are filled in by the customer with the help of special customizing transactions. These includes make it possible to extend (add fields to) tables without modifying the tables themselves and without the risk of additions being overwritten during a Release Upgrade.


· Names of customizing includes start with ‘CI_’. If a table does not contain a customizing include, you can still make additions by creating an Append structure. You cannot add your own ‘.INCLUDE CI_’ to an SAP table.


Append structures are intended for additions not provided for in the standard version of SAP tables via customizing includes. They are to be used with SAP transparent tables or structures, not with customer tables.


An Append structure is a structure assigned to exactly one table. However, a single table can have a number of append structures. It is recommended to use only one append structure in a table.


When an append structure is activated, its assigned table is also activated with all of the append structure fields. When a table including an append structure is activated, the append structure fields are found and added to the table.


Append structures cannot be deleted.


Append structures cannot be used with tables containing fields of data type VARC, LCHR, or LRAW because these data types must be the last field in a table.


Use the Append structures … push-button in the table display screen to add fields to SAP tables.


Fields contained in an Append structure are added to the SAP tables when an upgrade is performed and the appropriate tables are activated.


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