SQL Recipes funktioniert nicht

Finding the best decision on the Internet may demand hours of working time. • The application is a good tool during the exam or the preparation to the interview because it contains a reference to frequently used operations in SQL. • Quick search of the correct example by the code or by the name of topic.  These and over 150 of other code samples for SQL are available in the application. • The best examples of codes from books and specific internet resources are selected in the program.  Print or send the code example, which you like and share it with your colleagues. • Being a developer, I use this program when I need to remember quickly how to solve a given task in SQL language.  In the application, basic examples for all programming languages are available free of charge.  • Learning SQL syntax on specific queries and commands examples.  About 50% of examples are available at an additional cost.  How to combine multiple tables in a single query?  How to sort the result of grouping data?