TUNEHDWQ64 SAP (Statistical Data About SAP Buffer and Quality/Hit Ratios) Structure details

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

TUNEHDWQ64 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 "Statistical Data About SAP Buffer and Quality/Hit Ratios" 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_TUNEHDWQ64 TYPE TUNEHDWQ64.

The TUNEHDWQ64 table consists of various fields, each holding specific information or linking keys about Statistical Data About SAP Buffer and Quality/Hit Ratios data available in SAP. These include ALLOC_SIZE (DEC type that is suitable for 64 bit integer), AVAIL_SIZE (DEC type that is suitable for 64 bit integer), FRAME_SIZE (DEC type that is suitable for 64 bit integer), MAX_OBJCTS (DEC type that is suitable for 64 bit integer).. 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 TUNEHDWQ64 structure fields - Full list of fields found in SAP data dictionary

Key field

Non-key field

How do I retrieve data from SAP structure TUNEHDWQ64 using ABAP code?

As TUNEHDWQ64 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 TUNEHDWQ64 as there is no data to select.

How to access SAP table TUNEHDWQ64

Within an ECC or HANA version of SAP you can also view further information about TUNEHDWQ64 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