DDIKEYCHK SAP (Control String for Checking the Key) Structure details
Description: Control String for Checking the Key
Structure field list including key, data, relationships and ABAP select examples
DDIKEYCHK 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 "Control String for Checking the Key" 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_DDIKEYCHK TYPE DDIKEYCHK.
The DDIKEYCHK table consists of various fields, each holding specific information or linking keys about Control String for Checking the Key data available in SAP. These include KEY_NUMBER (Test: Are there too many key fields?), KEY_CON (Test: Do key fields belong together ?), KEY_BEGIN (Test: Is key located at the start?), KEY_LEN (Test: Is the key too long?).. 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: Not classified
SAP DDIKEYCHK 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 |
| KEY_EXIST | Test: Does key field exist? | DCKEYC0001 | CHAR | 6 | DD_CHECK | ||||
| KEY_NUMBER | Test: Are there too many key fields? | DCKEYC0002 | CHAR | 6 | DD_CHECK | ||||
| KEY_CON | Test: Do key fields belong together ? | DCKEYC0003 | CHAR | 6 | DD_CHECK | ||||
| KEY_BEGIN | Test: Is key located at the start? | DCKEYC0004 | CHAR | 6 | DD_CHECK | ||||
| KEY_LEN | Test: Is the key too long? | DCKEYC0005 | CHAR | 6 | DD_CHECK | ||||
| KEY_TRANS | Test: Does key have a maximum of 120 bytes ? | DCKEYC0006 | CHAR | 6 | DD_CHECK |
| Key field | Non-key field |
How do I retrieve data from SAP structure DDIKEYCHK using ABAP code?
As DDIKEYCHK 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 DDIKEYCHK as there is no data to select.How to access SAP table DDIKEYCHK
Within an ECC or HANA version of SAP you can also view further information about DDIKEYCHK and the data within it using relevant transactions such asSE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).
Search for further information about these or an SAP related objects