Databases

Systems that store and serve application data.

1 subject · 4 topics · 2 areas

Subjects covering this category

1 subject

Subject · Intermediate to Advanced
Spring Boot
Building a REST service with Spring Boot — wired for real data, validated, and fast enough to trust in production.
- Spring Boot Essentials
- Building REST APIs
- Data Access
12 topics · 77 cardsnot started

Relational Databases

3 topics

Spring Data JDBC vs JPA
Two different answers to what an object mapped to a row actually is.
7 cards · 4 qnot started
The JPA Entity Lifecycle
The four states an entity moves through, and the operations that move it.
7 cards · 5 qnot started
Repositories with Spring Data
Asking for data without writing the SQL yourself.
6 cards · 4 qnot started

Transactions

1 topic

Transactions
What `@Transactional` actually wraps, and the two ways it surprises people.
7 cards · 4 qnot started