COLUMNS_ST SAP (DB02: dba_tab_columns (Oracle)) Structure details
Description: DB02: dba_tab_columns (Oracle)
Structure field list including key, data, relationships and ABAP select examples
COLUMNS_ST 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 "DB02: dba_tab_columns (Oracle)" 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_COLUMNS_ST TYPE COLUMNS_ST.
The COLUMNS_ST table consists of various fields, each holding specific information or linking keys about DB02: dba_tab_columns (Oracle) data available in SAP. These include DATA_TYPE (datatype of the column), DATA_LENG (length of the column in bytes), DATA_PREC (length: decimal digits (number) or binary), DATA_SCALE (decimal places).. 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 COLUMNS_ST 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 |
| COLUMN_N | Column name | COLUMN_N | CHAR | 30 | CHAR30 | ||||
| DATA_TYPE | datatype of the column | DATA_TYPE | CHAR | 10 | CHAR10 | ||||
| DATA_LENG | length of the column in bytes | DATA_LENG | INT4 | 10 | |||||
| DATA_PREC | length: decimal digits (number) or binary | DATA_PREC | CHAR | 10 | CHAR10 | ||||
| DATA_SCALE | decimal places | DATA_SCALE | INT4 | 10 | |||||
| NULLABLE | does column allow null values? | NULLABLE_C | CHAR | 4 | CHAR4 | ||||
| COLUMN_ID | sequence number of the column as created | COLUMN_ID | DEC | 14 | DEC14 | ||||
| DEF_LENGTH | length of default value for the column | DEF_LENGTH | DEC | 14 | DEC14 | ||||
| DATA_DEF | default value for the column | DATA_DEF | CHAR | 14 | CHAR14 | ||||
| NUM_DISTIN | number of distinct values in the column | NUM_DISTIN | DEC | 14 | DEC14 | ||||
| LOW_VALUE | the low value in the column | LOW_VALUE | CHAR | 14 | CHAR14 | ||||
| HIGH_VALUE | the high value in the column | HIGH_VALUE | CHAR | 30 | CHAR30 | ||||
| DENSITY | density of the column | DENSITY | DEC | 14 | DEC14 | ||||
| NUM_NULLS | number of nulls in the column | NUM_NULLS | DEC | 14 | DEC14 | ||||
| NUM_BUCKET | Number of buckets in histogram | NUM_BUCKET | DEC | 14 | DEC14 | ||||
| LAST_ANAL | date of the most recent analysis | LAST_ANAL | DATS | 8 | DATS | ||||
| SAMP_SIZE | sample size used in analyzing this column | SAMP_SIZE | DEC | 14 | DEC14 |
| Key field | Non-key field |
How do I retrieve data from SAP structure COLUMNS_ST using ABAP code?
As COLUMNS_ST 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 COLUMNS_ST as there is no data to select.How to access SAP table COLUMNS_ST
Within an ECC or HANA version of SAP you can also view further information about COLUMNS_ST 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