Deepak Vohra

Deepak is a Sun Certified Java Programmer and Web Component Developer, and has worked in the fields of XML, Java programming and Java EE for ten years. Deepak is the co-author of the Apress book Pro XML Development with Java Technology and was the technical reviewer for the O'Reilly book WebLogic: The Definitive Guide. Deepak was also the technical reviewer for the Course Technology PTR book Ruby Programming for the Absolute Beginner. Deepak is also the author of the Packt Publishing books JDBC 4.0 and Oracle JDeveloper for J2EE Development, Processing XML Documents with Oracle JDeveloper 11g, EJB 3.0 Database Persistence with Oracle Fusion Middleware 11g, and Java EE Development in Eclipse IDE. Deepak is a Docker Mentor and has published 5 books on Docker and Kubernetes.

All Stories by Deepak Vohra

Resource Groups in MySQL 8

Resource Groups, a new feature in MySQL 8 for resource management, are used to define a group for a certain type of threads, and to allocate the resources that threads in a particular group may consume. This results in prioritizing the different groups of threads.

Window Functions in MySQL 8

Window functions are a new feature in MySQL 8. While most functions operate only on the data pertaining to a single row of data, Window functions operate over a “window” of data when performing a SQL query, and also for each query row.

Creating a New User in MySQL 8

In MySql 8, you may create a user that requires multiple authentication methods, uses a random password, with comments and attributes annotated with the user, and configured failed logins.

Common Table Expressions in MySQL 8

Common Table Expressions (CTEs) are a new feature in MySQL 8.0 to simplify SQL code related to result sets generated by subqueries, offering a better alternative to derived tables.

The New Data Dictionary in MySQL 8.0

The data dictionary tables do incur some operational and upgrade differences, but the benefits outweigh the overhead.

Java 18 Introduces Simple Web Server

Typically, if you want to serve even a simple HTML file you would need to start an HTTP Server. Java 18 adds a minimal out-of-the-box HTTP Server that doesn't require configuration and setup.

New Non-Language Features in Java 17

Java 17, the latest Long Term Support (LTS) version, has added new non-language features such as pseudo-random number generators.