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  2. What’s an SAP Transaction Code or So-Called T-Code?

What’s an SAP Transaction Code or So-Called T-Code?

BasicsSAP
What’s an SAP Transaction Code or So-Called T-Code?

An SAP transaction code, commonly called a t-code, is similar to the URL of a website.

You invoke a website by entering its URL into the address bar of a web browser.

You invoke a specific SAP user interface or execute a program when you enter an SAP transaction code into the command field of the SAP GUI.

Let’s dive right into the details!

Contents

SAP Transaction Codes Made Easy

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To understand what an SAP transaction code, or so-called t-code, is, you need to first understand the context in which an SAP transaction code takes place.

First of all, what’s SAP: SAP (System, Applications, and Programs in Data Processing) is a HUGE company that makes business software. To be more precise, SAP makes software that manages the processes within a company.

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SAP’s flagship products are ERP (Enterprise Resource Planning) and CRM (Customer Relationship Management) applications. Those applications run on-premise, in the cloud, or as a hybrid version of both of them.

So let’s take a look at the differences between on-premise and cloud computing:

On-Premise vs. Cloud Computing

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SAP’s applications can be categorized as either on-premise or cloud-computing.

On-premise applications run on the company’s own hardware, whereas cloud computing applications run on hardware owned by the cloud computing application provider. Or a third party that again provides the necessary infrastructure for the software to the cloud computing application provider.

For example, SAP offers to run its SCP (SAP Cloud Platform) in its own data centers. But it offers to run it in the data centers of Amazon, Google, Microsoft, or Alibaba as well.

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On-premise means that the company takes care of the installation and maintenance of the software themselves. Plus, provides the necessary hardware for the software such as the server infrastructure along with the IT stuff.

On-premise basically means to possess and maintain one’s own data center: hardware, software, a huge basement, and employees who take care of it all.

Cloud computing means that the cloud computing application provider takes care of the installation and maintenance, and the company accesses the application through the cloud.

The cloud is just hardware and software provided and maintained by a third party—nothing else than an application on a server you access through the internet.

It’s like housing: Instead of making a large investment and buying a house, many people rent a house instead. They don’t have to take care of maintenance and renovations themselves, but can use the house as if they own it.

On-premise has been the typical way for a company to run its business software. Now, cloud computing is becoming more and more common.

Cloud computing concept.

Small and medium-sized businesses especially show interest in cloud computing.

The biggest advantages of cloud computing for smaller companies are that it has lower upfront costs and predictable costs over time.

On the downside, cloud computing applications are less customizable. To come back to the rent a house instead of buying a house example: You can not just tear down a wall in a house that you rent.

Large enterprises still tend to go for on-premise because on-premise applications are highly customizable.

Plus, large enterprises don’t care that much about investing upfront in hardware or already own it.

Another major factor is that the data and its protection is in the enterprise’s hand itself and not a third party because the software runs on the enterprise’s hardware.

What’s the bottom line here?

SAP On-Premise Applications Use Transaction Codes

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Transaction codes are part of SAP’s on-premise applications.

The current versions of SAP’s most prominent on-premise applications are:

  • SAP ECC (ERP Central Component)
  • SAP CRM (Customer Relationship Management) 7.0
  • SAP S/4HANA (Suite 4 High-Performance Analytical Appliance)

All these applications utilize the SAP GUI (Graphical User Interface).

Imagine the SAP GUI as a web browser, but only for SAP applications. It looks like you’ve been beamed straight back into the 90s.

SAP GUI 7.60 screenshot.

A web browser takes you from one website to another on the internet. The SAP GUI takes you from one user interface or program to another in an SAP on-premise application.

SAP Transaction Codes vs. Website URLs

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In a web browser, you invoke a website via the URL of the website that you enter into the web browser address bar. For example, “google.com.”

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In the SAP GUI, you navigate to a specific SAP user interface or execute a program by entering an SAP transaction code into the SAP command field of the SAP GUI.

For example, to invoke the user interface where you can create a rush order, you enter the SAP transaction code “VA01” into SAP the command field in the SAP GUI.

You might be wondering whether the SAP GUI has a future:

The SAP GUI Will Survive

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The SAP GUI is the standard user interface for SAP’s former ERP flagship products R/3 (Real-Time Tier 3) and ECC. As well as for its use to be #1 CRM on-premise system SAP CRM 7.0. With the difference that in SAP CRM 7.0 the SAP GUI is intended for administrators and developers. The user interface for the key and end-users is the SAP Web UI.

The SAP Web UI is similar to a website and accessible through a web browser.

However, SAP’s newest ERP application SAP S/4HANA still features the SAP GUI intended for administrators and developers. But similar to the SAP Web UI, SAP S/4HANA features an additional user interface for its key and end users: SAP UI5 combined with SAP Fiori.

SAP UI5 is a framework composed of HTML, CSS, and JavaScript to build web applications. SAP Fiori are design guidelines for how an SAP web application is supposed to look and feel like.

The central entry point for an end-user in SAP S/4HANA is the SAP Fiori Launchpad.

The SAP Fiori Launchpad is a portal that contains SAP UI5 applications accessible by tiles. You can imagine the SAP Fiori Launchpad similar to the user interface of a mobile phone.

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That SAP’s newest flagship product SAP S/4HANA still features the SAP GUI for administrators and developers is more than justified.

Nonetheless, though the SAP GUI might look outdated, for an administrator or developer it’s the most efficient way to navigate and use the SAP system.

On the contrary to an end-user or an administrator, a developer does not need a beautiful user interface in which he can click around.

As an administrator or developer, you need an user interface that allows you to interact with the system on a deeper technical level as efficiently as possible even if that means that it doesn’t look that good.

And for administration and developing is the way faster and more efficient than any other browser-related user interface SAP GUI. The SAP GUI will survive for a couple more decades to come.

Simple SAP Transaction Code Definition

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SAP defines a transaction code as follows:

A twenty-character name which is assigned to a screen, another transaction code, or a method of an ABAP program and is used for program execution.

Transaction codes associated with screens can be used for executable programs, module pools, and function groups. Parameter transactions and variant transactions are associated with other transaction codes.

Transaction codes linked to methods are allowed for all program types that can contain methods. Transaction codes are maintained and managed using transaction code SE93.

In a nutshell, an SAP transaction code is a key that you enter in the SAP GUI command field to navigate to a specific user interface or directly execute a program of an SAP on-premise application.

Originally, SAP transaction codes were 4 characters long, and the first character described the business area to which the transaction code belonged.

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For instance, the SAP transaction code “MMI1” is used to create operation supplies in material management, and “FBU3” is used to display an intercompany document in finance.

Now, transaction codes can have up to 20 characters and contain namespaces such as the t-code “/ACCGO/BLKPP.” “/ACCGO/” is the namespace for agricultural contract management and “BLKPP” refers to the user interface for maintaining contract types and their statuses.

At the present moment, you can find over 120,000 official SAP transaction codes.

Overall, there are 120,000+ SAP transaction codes. Behind each SAP transaction code is a program that’s executed when you invoke the associated SAP transaction code.

You can see all SAP transaction codes in the database table “TSTC:” enter the transaction code “SE16” in the SAP GUI command field to navigate to the data browser and then invoke the database table “TSTC” in the data browser.

SAP Transaction Codes vs. SAP Easy Access Menu

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The SAP GUI also provides an user menu called SAP Easy Access to access specific user interfaces or to run programs instead of using an SAP transaction code. The menu is structured as a tree.

SAP GUI 7.20 easy access menu screenshot.

The SAP Easy Access menu is helpful if you just don’t know the t-code you need, but it takes quite a lot of time to navigate through it.

It’s possible to customize the SAP Easy Access menu and add transaction codes as favorites to access them quicker and without a lot of clicking. But often it’s still not as fast as just entering the transaction code in the command field.

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SAP transaction codes are like shortcuts: You access functions or run programs faster than by clicking around in a user interface.

As a user becomes more familiar with their SAP applications, they’ll learn the transaction codes they use most frequently and their speed and efficiency in the application will improve.

SAP Cloud Applications Don’t Use Transaction Codes

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On the contrary to SAP on-premise application, SAP cloud applications don’t use transaction codes.

An SAP cloud application is like a website. That means you invoke different functionalities of the application through URLs in your web browser.

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SAP cloud applications use different technologies for their respective user interface that you see in your web browser but none of those work on the concept of t-codes.

Nonetheless, that most SAP cloud applications use different front end technologies, SAP tries to provide the same look and feel across all user interfaces with the SAP Fiori design guidelines.

Discover More SAP FAQs

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Do you know where SAP originated?

Learn the European country of origin and more about the history of SAP.

How impactful is SAP?

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Learn about how SAP works with the world’s leading business software applications and its other uses!

Continue reading: SAP FAQs List: Quick-Start Into SAP.

Now It’s Your Turn

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Hopefully, you found this answer to the question “What’s an SAP Transaction Code or So-Called T-Code?” helpful.

And now it’s your turn:

  • Did this article answer your questions?
  • Is there any information that’s missing?
  • Is there anything you need to know that wasn’t covered here?
  • Or maybe you have questions about something in the article?

Either way, go ahead and leave a comment below right now!

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