CDTAB SAP (Nametab information for change documents) Structure details

Dictionary Type: Structure
Description: Nametab information for change documents




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




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

CDTAB is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Nametab information for change documents" Information within sap ABAP programs.

This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately.

i.e. DATA: wa_CDTAB TYPE CDTAB.

The CDTAB table consists of various fields, each holding specific information or linking keys about Nametab information for change documents data available in SAP. These include FIELDNAME (Field Name), POSITION (Position of the field in the table), KEYFLAG (Identifies a key field of a table), REFTABLE (Table for reference field).. 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:
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Cannot Be Enhanced


SAP CDTAB structure 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
TABNAMETable Name TABNAMECHAR30Assigned to domainAS4TABDTB
FIELDNAMEField Name FIELDNAMECHAR30Assigned to domainFDNAMEDFD
POSITIONPosition of the field in the table TABFDPOSNUMC4AS4POS
KEYFLAGIdentifies a key field of a table KEYFLAGCHAR1KEYFLAG
REFTABLETable for reference field REFTABLECHAR30Assigned to domainAS4TAB
REFFIELDReference field for currency and qty fields REFFIELDCHAR30Assigned to domainFDNAME
INTTYPEABAP data type (C,D,N,...) INTTYPECHAR1INTTYPE
INTLENInternal Length in Bytes INTLENNUMC6DDLENG
LOGFLAGIndicator for writing change documents LOGFLAGCHAR1AS4FLAG
DATATYPEData Type in ABAP Dictionary DATATYPE_DCHAR4DTYPEDATATYPE
OFFSETOffset in work area OFFSETINT25OFFSET

Key field Non-key field



How do I retrieve data from SAP structure CDTAB using ABAP code?

As CDTAB is a database structure and not a table it does not store any data in the SAP data dictionary. The ABAP SELECT statement is therefore not appropriate and can not be performed on CDTAB as there is no data to select.

How to access SAP table CDTAB

Within an ECC or HANA version of SAP you can also view further information about CDTAB 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



Comments on this SAP object

What made you want to lookup this SAP object? Please tell us what you were looking for and anything you would like to be included on this page!