Difference between save vs persist and saveOrUpdate in Hibernate

Save vs. saveOrUpdate vs. persist in Hibernate

What is the difference between save and saveOrUpdate or Difference between save and persist are common interview question in any Hibernate interview, much like the difference between get and load method in Hibernate. Hibernate Session class provides a couple of ways to save an object into the database by methods like save, saveOrUpdate, and persist.  You can use either save(),  saveOrUpdate() or persist() based upon your requirement for persisting objects into the database. The key thing is that all these objects are used to store data into the database but they also make a transient object persistent in Hibernate.

Top 5 Courses to Pass Azure Cloud Architecture Technologies Certification Exam - (AZ-300) Online Training Courses

The Azure cloud solutions from Microsoft is quickly becoming the go-to Cloud platform for many companies. While AWS leads the retail space, and Google Cloud Platform is still in the middle, Microsoft's Azure has emerged as a winner by attracting both big and small companies into its Cloud platform. This means the demand for people familiar with Azure architecture and Azure Cloud products and services is rising and providing some of the excellent career opportunities for Developers and DevOps who are interested in Cloud Computing. It's also very rewarding; the average salary for Azure Solution Architect in silicon valley is around 145,000 USD, which is highly competitive. It's one of the highest paying technology jobs.  In short, Azure is currently presenting an excellent opportunity for senior developers.

Top 10 Udemy Courses to Learn Essential Job Skills for Programmers and Developers - Best of Lot

There is no doubt that Udemy is one of the most popular e-learning platforms, and it helps more and more people to learn valuable skills like Programming, Coding, Web development, App development, Python, Java, C/C++, Data Science, Machine Learning, Node.js, React.js, Javascript and others which helps them to get a job and career in technology. Even though Udemy has all kinds of courses from Programming to Photography, from Music to Digital Media, in this article, we have compiled a list of best Udemy Courses and certifications for Programmers and Developers. These lists include Udemy best-sellers for learning Web Development, Java, Python, C++, AWS, Data Science, Machine Learning, Node.js, and React.js, some of the most valuable skills for modern software developers.

How to Crack AWS Certified Solution Architect Associate Exam (SAA-C01) in 2020 - Best Cloud Certification

There is no doubt that AWS certification is precious and opens the door for a lot of opportunities, not just for system admins but also for developers and DevOps. Even though there is no substitute for knowledge and experience there are a lot of tangible and intangible benefits of AWS certifications, mainly AWS Certified Solution Architect Associate. Your certification is useless if you don't know how to work in AWS console, but if know that and still struggling to find a job then AWS certification can help you. First thing, it gives you recognition. It allows you to put AWS in your resume and LinkedIn and also get you a lot of chances as recruiters and companies prefer certified professionals over a non-certified if skill set matches.

Top 5 Courses to Learn MongoDB NoSQL Database in 2020 - Best of Lot

MongoDB is one of the leading NoSQL databases and it was on my radar for a long time but I never get a chance to learn or work on it, but Recently I got an opportunity to use MongoDB for one of our projects and I learned a lot on the way. In this article, I will introduce MongoDB and how to learn MongoDB so that you can use it in your project. In this article, I will share some of the online courses which I have taken to understand everything up to the basic CRUD (Create, Retrieve, Update, Delete) operations on MongoDB. I have also read a couple of books and followed some tutorials but these courses were my main source to learn Mongo DB.

5 Tips to Prepare for Oracle Java Certifications (OCAJP and OCPJP)

Hello All, today, I am going to share some useful tips to prepare for Oracle's Java certifications like OCAJP and OCPJP, both associate and programmer level certification. These certifications are great for both mastering Java language as well as getting recognition for your skill which not only improves your chances of getting a Java development job but also helps you in your career growth. Though you need a bit of Java experience or knowledge to pass the Exam. If you are entirely new to Java, then you need to first go through a comprehensive course like The Complete Java MasterClass on Udemy and learn how to program in Java, because getting certified without knowing how to program in Java is of no use.