Web databases and data-oriented design

The database is an essential component in most Web applications. Web databases provide data storage and search ability. Without a database to write to and read from, there would be no way to maintain data persistence. Each time a user logged off their data would be lost. Good data architecture provides much more than mere data persistence, however. In today's application environment, users generate enormous amounts of data. Processing big data and turning it into useful information for the user requires application developers to take on a data-oriented design mentality.

August 02, 2020 02 Aug'20
An example hibernate.cfg.xml for MySQL 8 and Hibernate 5

Hibernate 5 has updated dialects for various databases, and MySQL 8 has a special one of its own. Here's an example hibernate.cfg.xml for MySQL 8 for Hibernate 5 apps or newer.
August 02, 2020 02 Aug'20
3 ways to build a Hibernate SessionFactory with examples

If a developer uses the Hibernate core framework, they will need to build a SessionFactory before they can do any data persistence. As the name implies, the SessionFactory produces Hibernate ...
July 28, 2020 28 Jul'20
The right MySQL persistence.xml example file for JPA 2.2 and Hibernate 5

Old JDBC drivers and new MySQL 8 databases don't mesh. Here's an updated MySQL persistence.xml example file for those doing JPA and Hibernate development.
July 01, 2020 01 Jul'20
The JPA and Hibernate CRUD operations example

https://youtu.be/d0AJKtPgx3M There are many classes and interfaces that make up the JPA and Hibernate API, and the sheer volume of development options can overwhelm even the most seasoned software ...

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A HibernateUtil class example to simplify JPA code

Developers can use HibernateUtil to mitigate access to JPA EntityManager and create more readable, less resource intensive code for data-driven applications. Continue Reading
How JPA EntityManager handles Hibernate transaction management

Follow this JPA EntityManager persist example tutorial to see how it can be used for transaction management and how to save changes to the database. Continue Reading
3 ways to have JPA and Hibernate create tables in a database

JPA frameworks such as Hibernate can automatically create tables. Here are three ways to have JPA and Hibernate create tables in a database. Continue Reading

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Why Java devs should switch to Python or R for data science

Java devs looking to explore or work in data science may need another language up their sleeves. Python and R are common Java alternatives for data science. Continue Reading
How MySQL InnoDB vs. MyISAM data engines compare

Data integrity, performance and transactional capabilities create the MyISAM vs. InnoDB data set debate for MySQL users. Compare the two to see which one makes sense for your data. Continue Reading
JDBC vs. ODBC: What's the difference between these APIs?

There are more similarities between ODBC and JDBC than there are differences. But, the differences are significant. Here we highlight them. Continue Reading

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How COVID-19 created a demand for COBOL basics

An uptick in COBOL interest stems from its presence in entrenched, legacy government apps, such as unemployment or apps for emergency loans. A rush to use these apps at the start of the COVID-19 pandemic reminded us all that COBOL remains a force in... Continue Reading
NoSQL technology remains key to drawing BI from big data

Both business users and vendors are challenged with managing and using big data. Learn how NoSQL technology providers are meeting the challenge. Continue Reading

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JPA and Hibernate enum mapping with annotations and the hbm.xml file

Ever since they were introduced in Java 5, enums have been catching developers off guard. How do you perform JPA and Hibernate enum mapping with annotations or even XML files? It's actually not ... Continue Reading