Programming
Spring Data JPA
Learn Spring Data JPA from fundamentals to advanced features. Cover repositories, derived queries, JPQL/native queries, pagination & sorting, specifications/QBE/QueryDSL, transactions, auditing, and fetch strategies.
1
Getting Started with Spring Data JPA
Understand the Java persistence ecosystem and the role of Spring Data JPA.
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Learning objectives:
• Understand the Java persistence ecosystem and key components
• Learn Spring Data JPA fundamentals and how it fits into Spring-based apps
• Understand a typical persistence project architecture
2
Spring Data Repositories
Build data access layers using Spring Data repositories and derived queries.
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Learning objectives:
• Set up Spring Data JPA correctly
• Use repositories effectively for CRUD and query operations
• Write derived query methods and test repository behavior
3
Custom Queries with JPQL and Native SQL
Write custom queries using @Query, parameters, and projections.
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Learning objectives:
• Write JPQL/native SQL queries using @Query
• Use parameters safely and correctly
• Use projections/DTOs and modifying queries
4
Pagination and Sorting
Paginate and sort query results and expose pagination via controllers.
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Learning objectives:
• Understand pagination/sorting concepts and tradeoffs
• Implement sorting with repository queries
• Build controller endpoints that support pagination
5
Alternate Querying Methods
Explore advanced querying approaches beyond derived queries.
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Learning objectives:
• Use Specifications for dynamic filtering
• Understand Query by Example (QBE)
• Learn when QueryDSL is appropriate
6
Advanced Spring Data JPA Features
Apply enterprise-level Spring Data JPA features for robust systems.
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Learning objectives:
• Implement custom repository methods
• Understand transactions and domain events
• Use auditing and optimize fetching with entity graphs