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Blogs by

Hermann Gahm

After finishing this , we can continue our series. We’ll start with some background information of the column store that will help us to better understand the guidelines introduced by Eric Westenberger. It is often

I recently delivered a service (ABAP OPEN SQL Optimization)for a customer and the customer asked me: “What’s the upper limit of indexesper table”. Three possible answers came immediately to my mind: 32767; since that was

Try to remember, when was the last time you got a question andyou invested some time (and enjoyed it) to provide an answer? What were thecharacteristics of the question? Was it a specific or rather

Consultants or Support Consultants like me know this situation quite well: You are at a customer and you are asked to trace and analyze a background job which runs outside of office hours e.g. from

The Single Transaction Analysis was extended recently and has some great new features. This blog shows you what you can expect from the latest patch. An overview of the new features is presented in this

The Single Transaction Analysis was extended recently and has some great new features. This blog shows you what you can expect from the latest version. Before you start: ST12 is delivered as a part of

Before you start: If you are not familiar with ST12, please read this blog first: Single Transaction Analysis (ST12) – getting started Who calls whom? Have you ever had this situation? You took a SQL

Explaining the explain plan for DB6 – Basics Part 2 This blog is a co-operation with my colleague Jan Kritter from the DB6 performance team. This time we will explain the difference between an explain

In this blog we will explain how to trace a function module in ST12. We will use the “Particular Units” option in ST12. Before you start: Please read the “Before you start” section in this

Imagine you change an order in VA02 and after clicking a specific button (e.g. the ATP (available to promise) check) it takes a while. Now you wonder what happens when you click this button and