A developer shouldn't spend time on database table creation when unit tests run. Instead, have Hibernate create tables in the database for JPA and other data-driven applications.

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

To create a knowledge base, we will need ways to import multiple kinds of documents into the vector database. For this we can use loaders and parsers from libraries such as LangChain or LlamaIndex.

Imagine that your typical Java array is an Excel spreadsheet. Were that the case, you’d have created a table with just a single column. We might consider it a “one dimensional” database, in ...

Get to know the Java persistence standard based on Hibernate and learn how to use JPA to store and manage Java objects in a relational or NoSQL database.

Get up to speed on MySQL basics with this step-by-step tutorial on how to create a database, add a table, and input data into the table.