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Author's profile photo Thomas Zloch

FAQ’s, intros and memorable discussions in the ABAP Testing and Troubleshooting Space

Welcome to the SCN ABAP Testing and Troubleshooting Space!

In addition to release dependent information available by:

– pressing the F1 key on an ABAP statement,

– searching for them in transaction ABAPDOCU,

– using the SCN “Search the Community” functionality,

– the information accessible via the SCN ABAP Main Wiki at,

– the SAP Service Marketplace at (see SAP Note 192194 at for search tips).

This document lists some discussions and documents from the ABAP spaces as:

An introduction for new members / visitors on topics discussed,

An introduction to how the forums are used and the quality expected,

A collection of some discussions which provided usefull answers to questions which are frequently asked, and,

A collection of some memorable discussions if you feel like reading some ABAP related material.

The listed discussions and documents will be enhanced from time to time.

Note: When asking a question in the forum, please also provide sufficient information such that the question can be answered usefully, do not repeat interview-type questions, and once closed please indicate which solution was usefull – to help others who search for it.

Read Performance => Gurus take over the discussion from Guests caught cheating the points-system.

SELECT INTO TABLE => Initial questions often result in interesting follow-up discussions.
Inner Joins vs For all Entries. => Including infos about system parameters for performance optimization.
Inner Join Vs Database view Vs for all entries => Usefull literature recommended by performance guru YukonKid.
Inner Joins vs For All Entries – performance query => Performance legends unplugged… read the blogs as well.

JOINS vs. FOR ALL ENTRIES – Which Performs Better? => More thoughts on this eternal rivalry
The ABAP Runtime Trace (SE30) –  Quick and Easy => New tricks in old tools. See other blogs by the same author as well.
Skip scan used instead of (better?) range scan => Insider information on how index access works.
DELETE WHERE sample case that i would like to share with you => Experts discussing the deletion of data from internal tables.
Impact of Order of fields in Secondary  index => Also discussing order of fields in WHERE-clause
“SELECT SINGLE” vs. “SELECT UP TO 1 ROWS” => Better for performance or semantics?
into corresponding fields of table VERSUS into table => detailed discussion incl. runtime measurements
Indexes making program run slower… => Everything you ever wanted to know about Oracle indexes.
Mass reading standard texts (STXH, STXL) => avoiding single calls to READ_TEXT for time-critical processes
Next Generation ABAP Runtime  Analysis (SAT) – Introduction => detailed introduction to the successor of SE30
SAP Support case “FOR ALL ENTRIES disaster” => detailed blog on the pitfall(s) a developer might face when using FAE
Performance: What is the best way to check if a record exist on a table ? => Hermann’s tips on checking existence of a record in a table

( original “ABAP Performance and Tuning” forum sticky thread created by Julius von dem Bussche )

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