TNCH20 SAP (IS-H CH: Code Groups for AHV Numbers) Table details

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

TNCH20 is a standard SAP Table which is used to store IS-H CH: Code Groups for AHV Numbers data and is available within R/3 SAP systems depending on the version and release level.

The TNCH20 table consists of various fields, each holding specific information or linking keys about IS-H CH: Code Groups for AHV Numbers data available in SAP. These include AHVNG (IS-H CH: Name group for pension insurance number), AHVNR (IS-H CH: Code for pension insurance number).. 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: C - Customising table, maintenance only by cust
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Can be enhanced (character-type)

SAP TNCH20 table fields - Full list of fields found in SAP data dictionary

Key field

Non-key field

How do I retrieve data from SAP table TNCH20 using ABAP code

The following ABAP code Example will allow you to do a basic selection on TNCH20 to SELECT all data from the table
DATA: WA_TNCH20 TYPE TNCH20.

SELECT SINGLE *
FROM TNCH20
INTO CORRESPONDING FIELDS OF WA_TNCH20
WHERE...

How to access SAP table TNCH20

Within an ECC or HANA version of SAP you can also view further information about TNCH20 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