Apache Derby – Quick Guide Apache Derby – Introduction Apache Derby is a Relational Database Management System which is fully based on (written/implemented in) Java programming language. It is an open source database developed by Apache Software Foundation. Oracle released the equivalent of Apache Derby with the name JavaDB. Features of Apache Derby Following are […]
Apache Derby – Triggers In databases, triggers are the statements/code which gets executed whenever an event occurred. Once you create a trigger to a particular event on a table, the code specified in the trigger gets executed each time the event occurs. You can create multiple triggers on a single table. This chapter teaches you […]
Apache Derby – Schemas A database schema is the skeleton structure that represents the logical view of the entire database. It defines how the data is organized and how the relations among them are associated. It formulates all the constraints that are to be applied to the data. Creating a Schema You can create a […]