Getting Started with OrientDB.docx

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Claudio Tesoriero

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

Installing OrientDB

Standard Edition

Graphed Edition

Key/Value Edition

Enterprise Edition

Installing from the latest stable release

Installing the Standard Edition

Installing the Graphed Edition

Compiling from the latest source snapshot

Running the test suite

Installing as a daemon/service

Linux systems

Windows systems

Summary

Administering OrientDB

Configuration

orientdb-server-config.xml

orientdb-dserver-config.xml

The OrientDB console

OrientDB data files

Classes

Abstract classes

Security

Rules

Roles

Users

Server users

Record-level security

The OrientDB Studio

The Database section

The Query section

The Document section

The Functions section

The Graph section

The Raw access section

The root user

Back up / restore

Using the console

Using the OrientDB Studio

Automatic backup

Summary

Programming OrientDB

Data types

Extended SQL

Creating a database

Creating classes

Inserting records

Deleting records

Reading and updating records

Fields

Embedded documents

Containers

Schema-full classes and the mixed-mode schema

Relationships

One-to-one and one-to-many relationships

Embedded relationships

Many-to-many relationships

Referenced relationships

Traversing the relationships

SQL functions

The graph database

Using the JDBC driver

Other language drivers such as PHP

The native Java API

Opening a connection

Connection pools

Executing SQL queries

Executing SQL commands

Create, load, update, and delete a document

Object database support

RESTful APIs

Transactions

Transactions within REST calls

Summary

Performance Tuning

Caching

General Optimizations

The JVM optimization

Memory and cache

Mapping files

Connections

Transactions

Massive insertions

Datafile fragmentation

The profiler

Query tips

The explain command

Indexes

Looking for @rid values

Summary

Advanced Features

Embedded mode

Server-side code

Server-side function features

Creating a function

Usage

Java API

RESTful calls

Special variables

Hooks

Triggers

Gremlin support

Gephi

Clustering

How it works

Replication

Configuration and setup

Sending e-mails through OrientDB

Usage

Summary

Index

Symbols

Thank you for buying

About Packt Open Source

Writing for Packt

Microsoft SQL Server 2012 Integration Services:

Java Persistence with MyBatis 3

Microsoft SQL Server 2012 Security Cookbook

Getting Started with NoSQL

Getting Started with OrientDB A practical guide to learn, deploy, and customize OrientDB Claudio Tesoriero BIRMINGHAM - MUMBAI

Getting Started with OrientDB Copyright © 2013 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: August 2013 Production Reference: 2131113 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78216-995-6 www.packtpub.com Cover Image by Abhishek Pandey (abhishek.pandey1210@gmail.com)

Credits Author Claudio Tesoriero Reviewers Andrey Lomakin Artem Orobets Acquisition Editor Kunal Parikh Commissioning Editor Harsha Bharwani Technical Editors Krishnaveni Haridas Mrunmayee Patil Project Coordinator Deenar Satam Proofreaders Kelly Hutchinson Joanna McMahon Indexers Tejal Soni Priya Subramani Graphics Abhinash Sahu Production Coordinator Arvindkumar Gupta Cover Work Arvindkumar Gupta

About the Author Claudio Tesoriero is an OrientDB Certified Developer and a senior software engineer with 20 years of experience in Information Technology. He started his career with the Italian Ministry of the Treasury before moving on to work for the Bull Group (www.bull.com), where he got involved in projects developed for Telecom Italia (www.telecomitalia.it) and in R&D projects developed in collaboration with the Rome Tor Vergata University. He then worked for FutureSpace Spa (www.futurespace.it) and he participated in the implementation of various projects for the government administration at the time. Currently, he is the cofounder of BaasBox, a solution of Backend as a Service based on the Play! Framework and OrientDB. First and foremost, I would like to thank Packt Publishing and all the staff, especially Miss Harsha Bharwani and Mr. Siddhant Shetty, for giving me the opportunity to write about OrientDB, which I think is one of the most powerful NoSQL databases currently available. I would also like to thank Luca Garulli, CEO at Orient Technologies Ltd., for his great job on OrientDB and for the support and help he has given to me and other enthusiastic OrientDB fans, and of course for the great time we spent together during our dinners of pizza. I would like to also say a big thank you to my wife Micol and my children Beatrice and Elisa for their patience and support.

About the Reviewers Andrey Lomakin is working as a software architect in Return On Intelligence projects. He is an active committer of the OrientDB project, he is an author of composite and hash indexes. He has implemented several improvements in the SQL engine, mostly related to index usage. His main areas of expertise include high performance computing and modern approaches to the implementation of business logic in enterprise applications: EDA, CQRS, Qi4j, and so on. I want to thank two people who have always supported me in my work on the OrientDB project. They are my mother, and my best friend Marina Melnik. Without their support, many already implemented features would still be in the planning stage.

Artem Orobets is a committer of the OrientDB community. He has provided contributions such as the introduction of composite indexes, improvements in index creation and processing speed, and improvements in query language. He is currently working as a software engineer at Orient Technologies Ltd., where he designs and maintains OrientDB. I would like to thank my parents, grandparents, and family. This book is dedicated to the friends who have supported me through my many endeavors, to those who have contributed to OrientDB, and also to those who have developed such an amazing project.

www.PacktPub.com Support files, eBooks, discount offers and more You might want to visit www.PacktPub.com for support files and downloads related to your book. Did you know that Packt offers eBook versions of every book published, with PDF and ePub files available? You can upgrade to the eBook version at www.PacktPub. comand as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with us at service@packtpub.com for more details. At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and eBooks. TM http://PacktLib.PacktPub.com Do you need instant solutions to your IT questions? PacktLib is Packt's online digital book library. Here, you can access, read and search across Packt's entire library of books. Why Subscribe? Fully searchable across every book published by Packt • • Copy and paste, print and bookmark content • On demand and accessible via web browser Free Access for Packt account holders If you have an account with Packt at www.PacktPub.com, you can use this to access PacktLib today and view nine entirely free books. Simply use your login credentials for immediate access.

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