DD42S SAP (Key fields for table types (internal tab. defined in DD)) Table details

Dictionary Type: Table
Description: Key fields for table types (internal tab. defined in DD)




ABAP Code to SELECT data from DD42S
Related tables to DD42S
Access table DD42S




Table field list including key, data, relationships and ABAP select examples

DD42S is a standard SAP Table which is used to store Key fields for table types (internal tab. defined in DD) data and is available within R/3 SAP systems depending on the version and release level.

The DD42S table consists of various fields, each holding specific information or linking keys about Key fields for table types (internal tab. defined in DD) data available in SAP. These include SECKEYNAME (Name of Secondary Key for Table Type), KEYFDPOS (Position of key component in key of table type), AS4LOCAL (Activation Status of a Repository Object), ROWTYPEPOS (Position of the field in the table).. See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .

Delivery Class: W - System table, contents transportable via separate TR objects
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Cannot Be Enhanced


SAP DD42S table fields - Full list of fields found in SAP data dictionary

Field Description Data Element Data Type length (Dec) Check table Conversion Routine Domain Name MemoryID SHLP
TYPENAMEName of table type TTYPENAMECHAR30Assigned to domainTTYPENAMETTYP
SECKEYNAMEName of Secondary Key for Table Type SECKEYNAMECHAR30SECKEYNAME
KEYFDPOSPosition of key component in key of table type KEYFDPOSNUMC4AS4POS
AS4LOCALActivation Status of a Repository Object AS4LOCALCHAR1AS4LOCAL
ROWTYPEPOSPosition of the field in the table TABFDPOSNUMC4AS4POS
KEYFIELDKey component for table types KEYFIELDCHAR132KEYFDNAME

Key field Non-key field



How do I retrieve data from SAP table DD42S using ABAP code

The following ABAP code Example will allow you to do a basic selection on DD42S to SELECT all data from the table
DATA: WA_DD42S TYPE DD42S.

SELECT SINGLE *
FROM DD42S
INTO CORRESPONDING FIELDS OF WA_DD42S
WHERE...

How to access SAP table DD42S

Within an ECC or HANA version of SAP you can also view further information about DD42S and the data within it using relevant transactions such as

SE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).


Search for further information about these or an SAP related objects



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