How to Create Excel Spreadsheets With MySQL. When you use MySQL to query a database, you have the ability to view results from that query on your screen or send them to a text file.

Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database.

JPA 3 and Hibernate persistence.xml file As developers migrate their old Java Persistence API applications to JPA 3, their progress is often halted when an incorrectly configured JPA 3 persistence.xml ...