Relational Databases
Tables, rows and constraints.
2 subjects · 5 topics
Subjects covering this category
2 subjects- Subject · Intermediate to Advanced
Building a REST service with Spring Boot: wired to real data, validated, and fast enough to trust in production.
- Spring Boot Essentials
- Building REST APIs
- Data Access
- Subject · Beginner to Advanced
Turning a product's requirements into a first design for a web system, and knowing what each part is there for.
- Starting a Design
- The Parts of a System
- Moving Data Around
In Relational Databases itself
5 topics- Spring Boot
Spring Data JDBC vs Spring Data JPA: persistence context, dirty checking, lazy loading, aggregates, and when to choose each.
Intermediate to Advanced7 cards · 4 qnot started
- Spring Boot
The JPA entity lifecycle: the four states an entity can be in, the operations that move it, and when its SQL runs.
Advanced7 cards · 5 qnot started
- Spring Boot
Spring Data repositories: CRUD without SQL, queries derived from method names, @Query, and what save() really does.
Intermediate to Advanced6 cards · 4 qnot started
- System Design
The building blocks of a web system: DNS, CDNs, application servers and databases, and the path a request takes through them.
Beginner to Intermediate11 cards · 8 qnot started
- System Design
Scaling a web system up or out: bigger machines or more of them, what has to be stateless first, and what autoscaling cannot catch.
Beginner to Advanced9 cards · 5 qnot started