Vaadin Lazy Loading Techniques

When using grids, trees, or any other of the multi-valued component with Vaadin you often want to display data from a database table, and typically you have more than a few rows[...]

Type Safe SQL in Java with jOOQ

No matter if you are using frameworks like JPA, MyBatis or Spring Data JDBC you always end up declaring the SQL statements as a Java String.

JPA Inheritance Strategies

Relational databases have tables and columns and object-oriented programming languages have classes and fields but they also provide inheritance.

JPA Enums: Mapping Strategies and Trade-Offs

With JPA it’s possible to map Java enums to columns in a database table using the Enumerated annotation.