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Mastering SAP ABAP

You're reading from   Mastering SAP ABAP A complete guide to developing fast, durable, and maintainable ABAP programs in SAP

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781787288942
Length 548 pages
Edition 1st Edition
Languages
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Authors (4):
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Wojciech Ciesielski Wojciech Ciesielski
Author Profile Icon Wojciech Ciesielski
Wojciech Ciesielski
Philipp Deth Philipp Deth
Author Profile Icon Philipp Deth
Philipp Deth
Paweł Grześkowiak Paweł Grześkowiak
Author Profile Icon Paweł Grześkowiak
Paweł Grześkowiak
Wojciech Ćwik Wojciech Ćwik
Author Profile Icon Wojciech Ćwik
Wojciech Ćwik
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Table of Contents (19) Chapters Close

Preface 1. Creating Custom Code 2. The Basic Structure of ABAP FREE CHAPTER 3. Database Access in ABAP 4. Import and Export to Document Formats 5. Exposing Data to Print Forms 6. ABAP and XML 7. Building User Interfaces 8. Creating Stunning UI5 Interfaces 9. Business Object Processing Framework 10. Modification and Customization Techniques 11. Handling Exceptions in ABAP 12. Testing ABAP programs 13. Advanced Techniques in ABAP Objects 14. Integrating SAP with Third-Party Systems 15. The Background Processing of ABAP Programs 16. Performance and Optimization of ABAP Code 17. Assessments 18. Another Book You May Enjoy

Starting with OpenSQL

As ABAP was invented as a report language, it has a huge set of statements for accessing tables. ABAP was designed for high-performance database operations, but not for the definition or control of database tables. By definition, it's usually not the mission of the program to create or control database tables. However, those functionalities are included implicitly within the SAP system.

The section of ABAP that accesses the database tables is named OpenSQL and includes similar commands to standard SQL, such as SELECT, INSERT, UPDATE, and DELETE, which are known as data manipulation language (DML). The differences between standard SQL and OpenSQL include the fact that OpenSQL is platform independent and part of the ABAP language. This enables the syntax check to identify errors within the implementation of the SQL statement. Furthermore...

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