To help me tailor more specific database optimization tips for your project, could you tell me (e.g., PostgreSQL, MySQL, Oracle) you are currently using, and whether you are running into specific performance bottlenecks like slow queries or high CPU usage? Share public link

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Efficient data access dictates the scalability, responsiveness, and operational costs of enterprise Java applications. Relational databases remain the backbone of enterprise data storage, but the abstraction layers built on top of them often introduce severe performance bottlenecks.

When multiple application instances modify the same data simultaneously, data integrity and performance clash.

Entity Mapping Checklists: ├── Identifiers: Prefer SEQUENCE over IDENTITY ├── Relationships: Use @ManyToOne, avoid unidirectional @OneToMany └── Collections: Prefer List with @OrderColumn or Set over standard Bag Identifier Generators