Reactive fetching

Reactive fetching refers to the use of a reactive API in combination with jOOQ. Since you are using Spring Boot, there is a big chance that you are already familiar with the Project Reactor reactive library (https://projectreactor.io/) or the Mono and Flux APIs. So, without going into further detail, let's take an example of combining Flux and jOOQ in a controller:

@GetMapping(value = "/employees", 
            produces = MediaType.TEXT_EVENT_STREAM_VALUE)
public Flux<String> fetchEmployees() {
 return Flux.from(
   ctx.select(EMPLOYEE.FIRST_NAME, EMPLOYEE.LAST_NAME, 
              EMPLOYEE.JOB_TITLE, EMPLOYEE.SALARY)
      .from(EMPLOYEE))
      .map(e -> e.formatHTML())
        .delayElements(Duration...