In the SAP system, Transport Request (TR) is a very important component, which is to implement changes in the SAP system and ensure that these changes can be transferred from one system (such as development system) to another system (such as test or production system) key tool. Simply put, Transport Request is mainly used to migrate configuration and development objects between SAP systems.
In the SAP system, all configuration and development work is completed in the workbench (Workbench). When any modification is made in the workbench, such as changing the table structure, creating or modifying an ABAP program, etc., the system will ask to create a Transport Request. This Transport Request will track all activities related to this change. Each Transport Request has a unique identification number for tracking and management.
Transport Request mainly consists of two parts: Header and Task. Header contains basic information, such as TR's creator, creation date, description, etc. Task contains the specific changes in TR, such as changed table structures, programs, etc. Each Task can be further divided into multiple subtasks.
Suppose we are developing a new ABAP program that needs to run in all clients of the SAP system. When we start writing code, we will be asked to create a new Transport Request. In this TR we can record all modifications and changes to this new program. Once the program is written and tested in the development system, we can use this TR to migrate the program from the development system to the test system. On the test system, if we find any issues and fix them, those fixes are also recorded in the same TR. Finally, when we are satisfied with the performance of this program and ready to deploy it to the production system, we only need to migrate this TR from the test system to the production system.
The key role of the TR in this process is to ensure that all our changes are accurately migrated from one system to another. This is important because in large IT environments, there are often multiple developers working on the same system at the same time, and these systems may be running in different geographical locations. Without TR, we wouldn't be able to track and manage these changes or ensure they migrate accurately from one system to another.
In addition, TR also has version control functions. This means every change is logged and can be rolled back at any time. This gives us a very powerful tool to quickly revert to a previous state if something goes wrong.