I have a basic test for an embedded database that I’m trying to get working for a java project. As it stands now I am able to save rows to the database with my entity repository object, and after the app finishes running, I can connect to the database with intellij and see those rows are still there. Bu…
Tag: embedded-database
Do foreign keys in apache derby automatically populate a column?
Recently I’ve been trying to create a RDB, and the problem I’m running into is that the columns I have with a foreign key constraint will not populate with the values of the referenced column (it will have null values). The only way I’ve managed to have the correct values is to populate it m…
Embedded MongoDB when running integration tests
My question is a variation of this one. Since my Java Web-app project requires a lot of read filters/queries and interfaces with tools like GridFS, I’m struggling to think of a sensible way to employ MongoDB in the way the above solution suggests. Therefore, I’m considering running an embedded ins…
Highest Performance Database in Java
I need ideas to implement a (really) high performance in-memory Database/Storage Mechanism in Java. In the range of storing 20,000+ java objects, updated every 5 or so seconds. Some options I am open to: Pure JDBC/database combination JDO JPA/ORM/database combination An Object Database Other Storage Mechanism…