SQL: Build Complex SQL Queries by Vickler, Andy [Paperback]

SQL: Advanced SQL Query optimization techniques by Vickler, Andy [Paperback]

C++: C++ Common used Libraries by Vickler, Andy [Paperback]

Linux: Linux for Beginners by Andy Vickler Paperback Book

C++: C++ Common used Libraries by Andy Vickler Paperback Book

PHP: PHP security and session management by Andy Vickler Paperback Book

SQL: Learn SQL Basics For Beginners by Vickler, Andy [Paperback]

SQL: Advanced SQL Query optimization techniques by Andy Vickler Paperback Book