Storing Basic Arrays and Collections using Array/JSON/XML Types in Hibernate

Date: 2024-12-18

Hibernate 6.x significantly improves handling of arrays and collections, particularly with JSON and XML database types. It allows direct storage of Java arrays (primitive and non-primitive) and collections (Lists, Sets) in these formats, simplifying the management of complex data structures. This is achieved through annotations like @Column(columnDefinition = "json") and @ElementCollection. Migration from Hibernate 5.x is relatively straightforward, primarily involving updating column definitions to utilize JSON or XML support. This enhancement offers increased flexibility and efficiency for storing semi-structured data.

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