The author of »SQL«

Kerem Koseoglu

Photo of Kerem Koseoglu
Dr. Kerem Koseoglu is a seasoned software engineer, author, and educator with extensive experience in global software development projects. In addition to his expertise in ABAP, he is proficient in database-driven development using Python and Swift. He is the author of Design Patterns in ABAP Objects (SAP PRESS), SQL: The Practical Guide (Rheinwerk Publishing), and several best-selling technical books in Turkey. He has a Ph.D. in organizational behavior.
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Current titles

  • Cover of Design Patterns in ABAP Objects

    Design Patterns in ABAP Objects

    Kerem Koseoglu

    387 pages, hardcover

    Use design patterns to step up your object-oriented ABAP game, starting with MVC! Want to create objects only when needed? Call objects only when required, minimizing runtime and memory costs? Reduce errors and effort by only coding an object once? More about the book

    from $74.99

    Available

    E-book | Print edition | Bundle
    • Use design patterns to write better code, faster
    • Implement common architectural, structural, and behavioral design patterns
    • See design patterns in action with real-world SAP applications
  • Cover of Swift

    Swift
    The Practical Guide

    Kerem Koseoglu

    500 pages, paperback

    This is your ultimate resource for Swift, the programming language for Apple devices! Get to know Swift’s syntax and learn to work with elements such as variables and collections. Use Swift’s built-in features for debugging, error handling, and memory management More about the book

    approx. $54.99

    Pre-order now
    Available on 12/18/2025

    E-book | Print edition | Bundle
    • Your comprehensive guide to the Swift programming language
    • Work with variables, collections, enums, structs, and other language elements
    • Practice as you learn with downloadable code snippets