Chapter 1. Introduction

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HeliDB is a simple, lightweight database for storing data records consisting of a key and a value. A data record is identified by its key, which is required to be unique in the database. The Database interface defines the API that database clients use. It extends Map with methods for more efficient data management. There are three Database implementations, each with its own unique properties such as transaction handling.

This book is the Programmer's guide. It is written for programmers who want to use HeliDB in their applications. It gives an overview of HeliDB concepts and features, with examples and pointers to the API documentation which serves as the reference documentation.

Feedback and contributions from users is essential for making HeliDB a better tool. Please share your thoughts and opinions on HeliDB with the rest of the community through the mailing lists.

HeliDB is licensed under the Gnu Lesser General Public License, version 3. If you want other licensing terms, contact Holocene Software – www.holocene.se.