H2
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Enterprise Java
Spring Boot & Flyway: Manage Multiple Databases
Managing multiple databases in a Spring Boot application can be challenging, especially when you want to maintain database migrations consistently.…
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Enterprise Java
Paginating Data in Spring Boot GraphQL
GraphQL APIs can return large datasets, and without pagination, performance issues may arise. Spring Boot provides excellent support for GraphQL…
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Enterprise Java
Does @Transactional Work on Private Methods in Spring?
Spring’s @Transactional annotation is widely used to manage transactions declaratively in a Spring Boot application. It simplifies handling commit and…
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Core Java
H2 Stored Procedures in Java
Stored procedures are a common way to encapsulate reusable logic within a database. While H2 is an in-memory Java SQL…
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Core Java
Executing SQL Scripts in H2 Database
When writing integration tests for database-driven applications, it is often necessary to initialise schemas, preload test data, or run custom…
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Core Java
Working with Sequences in H2 Database
When developing Java applications with databases, auto-generating primary keys is a common requirement. Sequences are a reliable way to generate…
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Enterprise Java
Spring Boot H2 Console Error Explained/Resolved
The H2 database is an in-memory database widely used during Spring Boot development for quick prototyping. Spring Boot conveniently provides…
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Core Java
H2 Production Database Features & Limitations
H2 is an in-memory Java SQL database, lightweight, fast, and often used for development and testing environments. However, there are…
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Enterprise Java
Understanding H2 InMemory Database with Spring Boot
Introduction Basically the database setup involves several steps before we can use it through configured datasource in our application. This…
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