SAP T20_ST02 Table in S/4 HANA - ST02: Fields for screens 20, 21, 22, 23
T20_ST02 is a standard SAP Table which is used to store ST02: Fields for screens 20, 21, 22, 23 data and is available within SAP S/4 HANA systems and previous ECC R/3 systems. Below is the technical details and the field list relevant for an SAP S/4 HANA system, see here for details and fields available within the SAP R/3 version of the T20_ST02 table(ECC)
Delivery Class:
Display/Maintenance via SM30: Display/Maintenance Allowed but with Restrictions
Enhancement category: Cannot Be Enhanced
Dictionary Type: Structure
Database Table: T20_ST02
T20_ST02 table structure field list
Below is the full T20_ST02 field list that makes up the SAP database table structure, including key fields, description, data type and other technical details of each field
| Field | Description | Data Element | Data Type | length (Dec) | Check table | Conversion Routine | Domain Name | MemoryID | SHLP | SHLP Field |
| BUF_NAME | Buffer name | D_BUF_NAME | CHAR | 21(0) | ST02_21 | |||||
| QUALITY | Data base buffer quality | D_QUAL | DEC | 5(2) | STAT_QUD2 | |||||
| HITS | Buffer hits | D_HITS | INT4 | 10(0) | STAT_I4 | |||||
| REQUESTS | Buffer requests | D_REQUESTS | INT4 | 10(0) | STAT_I4 | |||||
| DB_ACC_SAV | Database Accesses Saved | D_DBACSAVE | INT4 | 10(0) | STAT_I4 | |||||
| DB_ACCESS | Database Accesses | D_DBAC | INT4 | 10(0) | STAT_I4 | |||||
| SIZE_ALLOC | Buffer allocated | D_SIZE | INT4 | 10(0) | STAT_I4 | |||||
| SIZE_AVAIL | Available size in buffer | D_SAVAIL | INT4 | 10(0) | STAT_I4 | |||||
| SIZE_USED | Size used in buffer | D_SUSED | INT4 | 10(0) | STAT_I4 | |||||
| SIZE_FREE | Free Buffer | D_SFREE | INT4 | 10(0) | STAT_I4 | |||||
| SIZE_GAPS | Gap size in buffer | D_SGAPS | INT4 | 10(0) | STAT_I4 | |||||
| ENTRY_MAX | Maximum entries in directory | D_EMAX | INT4 | 10(0) | STAT_I4 | |||||
| ENTRY_USED | Used entries in directory | D_EUSED | INT4 | 10(0) | STAT_I4 | |||||
| ENTRY_FREE | Free entries in directory | D_EFREE | INT4 | 10(0) | STAT_I4 | |||||
| REFRESHES | Number of buffer refreshes | D_REFRESH | INT2 | 5(0) | STAT_INT2 | |||||
| FIRST_REFR | Time of buffer initialization | D_FIRSTREF | CHAR | 21(0) | ST02_21 | |||||
| LAST_REFR | Time of last buffer refresh | D_LASTREFR | CHAR | 21(0) | ST02_21 | |||||
| ST_QUALITY | Quality of storage management | D_STQUAL | CHAR | 3(0) | ST02_3 | |||||
| ST_SEARCHM | Storage search mode | D_STSEARCH | CHAR | 13(0) | ST02_13 | |||||
| ST_MEMORYC | Storage memory class | D_STMEMORY | CHAR | 13(0) | ST02_13 | |||||
| AC_ACTIVEO | Active objects | D_ACACTIVE | CHAR | 10(0) | ST02_10 | |||||
| AC_INSERTS | Inserts | D_ACINSERT | CHAR | 10(0) | ST02_10 | |||||
| AC_DELETES | Deletes | D_ACDELETE | CHAR | 10(0) | ST02_10 | |||||
| AC_SWAP | Object swaps from buffer | D_ACSWAP | INT4 | 10(0) | STAT_I4 | |||||
| FRAME_SWAP | Object swaps from buffer | D_ACSWAP | INT4 | 10(0) | STAT_I4 | |||||
| AC_REORG | Buffer reorgs | D_ACREORG | INT4 | 10(0) | STAT_I4 | |||||
| OB_MINSIZE | Min.object size | D_OBMINSIZ | CHAR | 10(0) | ST02_10 | |||||
| OB_MAXSIZE | Max.object size | D_OBMAXSIZ | CHAR | 10(0) | ST02_10 | |||||
| OB_AVERAGE | Average object size | D_OBAVERAG | CHAR | 10(0) | ST02_10 | |||||
| OB_VARIANZ | Variance of object size | D_OBVARIAN | CHAR | 10(0) | ST02_10 | |||||
| OB_STAND | Standard object size | D_OBSTAND | CHAR | 10(0) | ST02_10 |
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