--- title: "#jpa articles | Hashnode" description: "Explore 137 articles tagged #jpa on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/jpa" --- Tag # #jpa 137 posts · 28 followers [Zay Maung Maung Myint](https://hashnode.com/@zaymaungmaungmyint) · [Sep 26](https://hashnode.com/posts/understanding-jpa-joined-inheritance/6ab7c2f314ebea48c29546a2) ### [Understanding JPA JOINED Inheritance: From Java Subtypes to Database Tables](https://zay-engineering-notes.hashnode.dev/understanding-jpa-joined-inheritance?utm_source=hashnode&utm_medium=feed) Learn how JPA JOINED inheritance maps Java subtypes to database tables using foreign keys, with SQL queries and performance trade-offs. 9 min read · [zay-engineering-notes.hashnode.dev](https://zay-engineering-notes.hashnode.dev/understanding-jpa-joined-inheritance?utm_source=hashnode&utm_medium=feed) [Fred Feng](https://hashnode.com/@paganini2008) · [Sep 20](https://hashnode.com/posts/easyjpa-criteria-api-power-in-three-lines-not-thirty/6aafe3090b301a00b84789c2) ### [EasyJPA: Criteria API Power in Three Lines, Not Thirty](https://fredfeng.hashnode.dev/easyjpa-criteria-api-power-in-three-lines-not-thirty?utm_source=hashnode&utm_medium=feed) Type-safe dynamic queries for Spring Data JPA, every condition a method reference, every join a name, not a single JPQL string. Joins, subqueries, grouping, pagination, updates and native SQL all compose in one chain you read top to bottom. 12 min read · [fredfeng.hashnode.dev](https://fredfeng.hashnode.dev/easyjpa-criteria-api-power-in-three-lines-not-thirty?utm_source=hashnode&utm_medium=feed) [Satyajit Mishra](https://hashnode.com/@satyajitmishra) · [Aug 31](https://hashnode.com/posts/jdbc-to-spring-data-jpa-the-evolution-of-java-database-access-explained-for-beginners/6a95e43762e9ec76ab0851c9) ### [🚀 JDBC to Spring Data JPA: The Evolution of Java Database Access Explained for Beginners](https://blogs.satyajitmishra.me/jdbc-to-spring-data-jpa-the-evolution-of-java-database-access-explained-for-beginners?utm_source=hashnode&utm_medium=feed) Learn how Java database access evolved from JDBC to Spring Data JPA with simple examples, ORM concepts, and real-world analogies. 4 min read · [blogs.satyajitmishra.me](https://blogs.satyajitmishra.me/jdbc-to-spring-data-jpa-the-evolution-of-java-database-access-explained-for-beginners?utm_source=hashnode&utm_medium=feed) [4](https://hashnode.com/posts/jdbc-to-spring-data-jpa-the-evolution-of-java-database-access-explained-for-beginners/6a95e43762e9ec76ab0851c9) [Puja Jorwar](https://hashnode.com/@pujajorwar) · [Jul 15](https://hashnode.com/posts/hibernate-jpa-orm-first-program-java/6a5733ebf2bfc83b998e9586) ### [DevLog: Why Hibernate? ORM, JPA & Your First Hibernate Program](https://pujajorwar.hashnode.dev/hibernate-jpa-orm-first-program-java?utm_source=hashnode&utm_medium=feed) From boilerplate JDBC to clean ORM — understanding Hibernate, JPA interfaces, Entity classes, and inserting your first record into PostgreSQL without writing a single SQL statement. 8 min read · [pujajorwar.hashnode.dev](https://pujajorwar.hashnode.dev/hibernate-jpa-orm-first-program-java?utm_source=hashnode&utm_medium=feed) [Prashant Thorat](https://hashnode.com/@pat246) · [Jun 6](https://hashnode.com/posts/stop-writing-crud-screens-in-spring-boot/6a23f9755926517c61367890) ### [Stop Writing CRUD Screens in Spring Boot](https://prashant-blog.hashnode.dev/stop-writing-crud-screens-in-spring-boot?utm_source=hashnode&utm_medium=feed) Generate admin panels automatically from JPA entities and Spring Data REST repositories—without building React CRUD pages from scratch. 2 min read · [prashant-blog.hashnode.dev](https://prashant-blog.hashnode.dev/stop-writing-crud-screens-in-spring-boot?utm_source=hashnode&utm_medium=feed) [Abhishek Kanade](https://hashnode.com/@abhishekcodes) · [May 15](https://hashnode.com/posts/master-spring-boot-database-connectivity-with-jpa/6a07622873afc887579bf94a) ### [Master Spring Boot Database Connectivity with JPA](https://abhishek-backend-blogs.hashnode.dev/master-spring-boot-database-connectivity-with-jpa?utm_source=hashnode&utm_medium=feed) Connect, configure & master Spring Boot database integration with JPA and Hibernate. 5 min read · [abhishek-backend-blogs.hashnode.dev](https://abhishek-backend-blogs.hashnode.dev/master-spring-boot-database-connectivity-with-jpa?utm_source=hashnode&utm_medium=feed) [Abhishek Kanade](https://hashnode.com/@abhishekcodes) · [May 14](https://hashnode.com/posts/spring-data-jpa-explained-in-5-minutes/6a060af9baf09db7a624852b) ### [Spring Data JPA Explained in 5 Minutes 🚀](https://abhishek-backend-blogs.hashnode.dev/spring-data-jpa-explained-in-5-minutes?utm_source=hashnode&utm_medium=feed) The Smart Way to Handle Databases in Java 4 min read · [abhishek-backend-blogs.hashnode.dev](https://abhishek-backend-blogs.hashnode.dev/spring-data-jpa-explained-in-5-minutes?utm_source=hashnode&utm_medium=feed) [Tuanhdotnet](https://hashnode.com/@tuananh8) · [Apr 23](https://hashnode.com/posts/techniques-to-make-database-integration-tests-fast-enough-for-developers-to-actually-run-them/69e9dfb508f073cd8efc8e6c) ### [Techniques to Make Database Integration Tests Fast Enough for Developers to Actually Run Them](https://tuanhnet.hashnode.dev/techniques-to-make-database-integration-tests-fast-enough-for-developers-to-actually-run-them?utm_source=hashnode&utm_medium=feed) Long-form, practical guide showing how to speed up database integration tests so developers will run them frequently. Deep coverage of trade-offs, performance behavior, isolation strategies, JVM and container patterns, seeding strategies, paralle... 11 min read · [tuanhnet.hashnode.dev](https://tuanhnet.hashnode.dev/techniques-to-make-database-integration-tests-fast-enough-for-developers-to-actually-run-them?utm_source=hashnode&utm_medium=feed) [Tuanhdotnet](https://hashnode.com/@tuananh8) · [Apr 5](https://hashnode.com/posts/reasons-your-unique-constraint-is-not-a-complete-concurrency-strategy/69d224b368f4bd877f0275b7) ### [Reasons Your Unique Constraint Is Not a Complete Concurrency Strategy](https://tuanhnet.hashnode.dev/reasons-your-unique-constraint-is-not-a-complete-concurrency-strategy?utm_source=hashnode&utm_medium=feed) A deep technical exploration of why relying solely on a database unique constraint is insufficient for concurrency control. Covers DB behaviors, Java examples (JDBC/JPA), performance implications, edge cases, retry strategies, advisory locks, and... 11 min read · [tuanhnet.hashnode.dev](https://tuanhnet.hashnode.dev/reasons-your-unique-constraint-is-not-a-complete-concurrency-strategy?utm_source=hashnode&utm_medium=feed) [abhijit maharik](https://hashnode.com/@hivecmky) · [Apr 1](https://hashnode.com/posts/top-30-spring-boot-interview-questions-asked-in-tcs-and-infosys-with-answers-2025/69cd4ae43085402b9c35cf34) ### [Top 30 Spring Boot Interview Questions Asked in TCS and Infosys — With Answers (2025)](https://javaready.hashnode.dev/top-30-spring-boot-interview-questions-asked-in-tcs-and-infosys-with-answers-2025?utm_source=hashnode&utm_medium=feed) I work in government tech in Bhubaneswar and have spent years writing Java backend systems. When my colleagues started preparing for TCS and Infosys interviews, I noticed they were reading 50-page PDFs for answers that should take 3 sentences. So I wrote this — 30 real Spring Boot questions with short, honest answers. No padding. No theory lectures. Just what you actually need. 13 min read · [javaready.hashnode.dev](https://javaready.hashnode.dev/top-30-spring-boot-interview-questions-asked-in-tcs-and-infosys-with-answers-2025?utm_source=hashnode&utm_medium=feed)