Book Image

Java Data Analysis

By : John R. Hubbard
Book Image

Java Data Analysis

By: John R. Hubbard

Overview of this book

Data analysis is a process of inspecting, cleansing, transforming, and modeling data with the aim of discovering useful information. Java is one of the most popular languages to perform your data analysis tasks. This book will help you learn the tools and techniques in Java to conduct data analysis without any hassle. After getting a quick overview of what data science is and the steps involved in the process, you’ll learn the statistical data analysis techniques and implement them using the popular Java APIs and libraries. Through practical examples, you will also learn the machine learning concepts such as classification and regression. In the process, you’ll familiarize yourself with tools such as Rapidminer and WEKA and see how these Java-based tools can be used effectively for analysis. You will also learn how to analyze text and other types of multimedia. Learn to work with relational, NoSQL, and time-series data. This book will also show you how you can utilize different Java-based libraries to create insightful and easy to understand plots and graphs. By the end of this book, you will have a solid understanding of the various data analysis techniques, and how to implement them using Java.
Table of Contents (20 chapters)
Java Data Analysis
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
Index

Accessing the MySQL database from NetBeans


To access the MySQL database from NetBeans, click on the Services tab in the NetBeans left sidebar and expand the Databases section:

Figure A-26. Locating the MySQL database in NetBeans

Then, right-click the MySQL Server icon and select Connect:

Figure A-27. Connecting to the MySQL database

When asked about editing your MySQL Server connection properties, click Yes.

Use your MySQL username and password to connect to the database. Then, expand the MySQL Server node to see the accessible schema, as shown in Figure A-28:

Figure A-28. Connecting to schema1

Then, right-click on schema1 and then on Connect in the pop-up panel.

Next, expand the node whose icon shows a solid (not broken) connection, as shown in Figure A-29:

Figure A-29. The expanded connection node in NetBeans

This shows the details of the Friends table that you created and loaded in MySQL Workbench.

Right-click again on the jdbc:mysql node and select Execute Command…, as shown in Figure A-30.

Figure A-30. Executing a SQL command

This opens a new tabbed pane, labeled SQL 1 [jdbc:myscl://localhost:33…].

Now, type the same SQL select query that you used before in MySQL Workbench. (see Figure A-25). The output is displayed at the bottom of the window, as shown in Figure A-31:

Figure A-31. Executing a query on a MySQL database from NetBeans

This shows that SQL access to a MySQL database in NetBeans is very similar to that in MySQL Workbench.