JPA
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Enterprise Java
Using Enum in Spring Data JPA Queries
When constructing our persistence layer using Spring Data JPA, we frequently deal with entities that contain enum fields. These enum…
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Enterprise Java
Resolving Spring Boot H2 JdbcSQLSyntaxErrorException: “Table not found”
Spring Boot makes it easy to develop Spring applications with its pre-configured components. However, we often encounter the JdbcSQLSyntaxErrorException: Table…
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Enterprise Java
Automatically Saving Child Entities in JPA
In JPA applications, we often encounter entities with parent-child relationships. Persisting these entities efficiently involves saving the parent and automatically…
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Enterprise Java
Querydsl vs. JPA Criteria
Querydsl and JPA Criteria are widely used frameworks for creating type-safe queries in Java. Both offer methods to express queries…
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Enterprise Java
Refresh and Fetch an Entity After Save in Spring Data JPA
The Java Persistence API (JPA) serves as a connector linking Java objects and relational databases, facilitating the smooth persistence and…
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Enterprise Java
Changing The Way We Use JPA
I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of…
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Core Java
Java 16 Records with JPA and jOOQ
Java Records The new Java version 16 includes a new feature: Records https://openjdk.java.net/jeps/395 “Enhance the Java programming language with records, which are…
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Enterprise Java
How to get Type-Safe and Intuitive Hibernate/JPA Queries by Leveraging Java Streams
A large proportion of Java database applications are using Hibernate/JPA to bridge the gap between Java and SQL. Until recently,…
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Enterprise Java
Spring boot data JPA – Query for nested object
Nowadays spring boot and spring data are widely used frameworks. If you are building web application in java, spring boot…
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