DB2_COLUMN_DESCRIPTION SAP (DB2 z/Os: Column description of a DB Table) Structure details
Description: DB2 z/Os: Column description of a DB Table
Related tables to DB2_COLUMN_DESCRIPTION
Access table DB2_COLUMN_DESCRIPTION
Structure field list including key, data, relationships and ABAP select examples
DB2_COLUMN_DESCRIPTION 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 "DB2 z/Os: Column description of a DB Table" 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_DB2_COLUMN_DESCRIPTION TYPE DB2_COLUMN_DESCRIPTION.
The DB2_COLUMN_DESCRIPTION table consists of various fields, each holding specific information or linking keys about DB2 z/Os: Column description of a DB Table data available in SAP. These include COLNO (Numeric position of the column in the table or view), COLTYPE (Column type specified in the column definition), LENGTH (Length attribute of the column), SCALE (Scale of decimal data).. 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 DB2_COLUMN_DESCRIPTION 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 |
| NAME | DB2 column name | DB2COLNAML | CHAR | 128 | |||||
| COLNO | Numeric position of the column in the table or view | DB2COLNO | INT2 | 5 | DB2SINT | ||||
| COLTYPE | Column type specified in the column definition | DB2COLTYPE | CHAR | 8 | DB2COLTYPE | ||||
| LENGTH | Length attribute of the column | DB2COLLEN | INT2 | 5 | DB2SINT | ||||
| SCALE | Scale of decimal data | DB2SCALE | INT2 | 5 | DB2SINT | ||||
| NULLS | bool type | DB2BOOLEAN | CHAR | 1 | |||||
| DEFAULT | c1 flag | DB2FLAG | CHAR | 1 | |||||
| DFTVALUE | Default value for a DB column | DEFAULT_VA | CHAR | 75 | DEFAULT_VA | ||||
| BITDATA | bool type | DB2BOOLEAN | CHAR | 1 | |||||
| LENGTH2 | column length | DB2COLLEN2 | INT4 | 10 |
| Key field | Non-key field |
How do I retrieve data from SAP structure DB2_COLUMN_DESCRIPTION using ABAP code?
As DB2_COLUMN_DESCRIPTION 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 DB2_COLUMN_DESCRIPTION as there is no data to select.How to access SAP table DB2_COLUMN_DESCRIPTION
Within an ECC or HANA version of SAP you can also view further information about DB2_COLUMN_DESCRIPTION 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