the Database ..... 141 4. Data Access with R2DBC ..... 142 4.1. Package Hierarchy ..... 142 4.2. Using the R2DBC Core Classes to Control Basic R2DBC Processing and Error Handling ..... 142 4.2 Spring web applications but can be more generally applied. ### Chapter 4. Data Access with R2DBC R2DBC ("Reactive Relational Database Connectivity") is a community-driven specification effort access to SQL databases using reactive patterns. #### 4.1. Package Hierarchy The Spring Framework’s R2DBC abstraction framework consists of two different packages: • core: The org.springframework.r2dbc.core

Auto-configured JDBC Tests ..... 180 Auto-configured Data JDBC Tests ..... 181 Auto-configured Data R2DBC Tests ..... 181 Auto-configured jOOQ Tests ..... 182 Auto-configured Data MongoDB Tests ..... 353 Customizing jOOQ ..... 353 9.1.7. Using R2DBC ..... 353 Embedded Database Support ..... 356 Using DatabaseClient ..... 357 Spring Data R2DBC Repositories ..... 357 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 180 Auto-configured Data JDBC Tests ..... 181 Auto-configured Data R2DBC Tests ..... 181 Auto-configured jOOQ Tests ..... 182 Auto-configured Data MongoDB Tests ..... 353 Customizing jOOQ ..... 353 9.1.7. Using R2DBC ..... 353 Embedded Database Support ..... 356 Using DatabaseClient ..... 357 Spring Data R2DBC Repositories ..... 357 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 180 Auto-configured Data JDBC Tests ..... 181 Auto-configured Data R2DBC Tests ..... 181 Auto-configured jOOQ Tests ..... 182 Auto-configured Data MongoDB Tests ..... 353 Customizing jOOQ ..... 353 9.1.7. Using R2DBC ..... 353 Embedded Database Support ..... 356 Using DatabaseClient ..... 357 Spring Data R2DBC Repositories ..... 357 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 351 Customizing jOOQ ..... 351 9.1.7. Using R2DBC ..... 351 Embedded Database Support ..... 354 Using DatabaseClient ..... 355 Spring Data R2DBC Repositories ..... 355 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 351 Customizing jOOQ ..... 351 9.1.7. Using R2DBC ..... 351 Embedded Database Support ..... 354 Using DatabaseClient ..... 355 Spring Data R2DBC Repositories ..... 355 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 346 Customizing jOOQ ..... 346 9.1.7. Using R2DBC ..... 346 Embedded Database Support ..... 349 Using DatabaseClient ..... 350 Spring Data R2DBC Repositories ..... 350 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 351 Customizing jOOQ ..... 351 9.1.7. Using R2DBC ..... 351 Embedded Database Support ..... 354 Using DatabaseClient ..... 355 Spring Data R2DBC Repositories ..... 355 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 346 Customizing jOOQ ..... 346 9.1.7. Using R2DBC ..... 346 Embedded Database Support ..... 349 Using DatabaseClient ..... 350 Spring Data R2DBC Repositories ..... 350 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis

Auto-configured JDBC Tests ..... 178 Auto-configured Data JDBC Tests ..... 179 Auto-configured Data R2DBC Tests ..... 179 Auto-configured jOOQ Tests ..... 180 Auto-configured Data MongoDB Tests ..... 351 Customizing jOOQ ..... 351 9.1.7. Using R2DBC ..... 351 Embedded Database Support ..... 354 Using DatabaseClient ..... 355 Spring Data R2DBC Repositories ..... 355 9.2. Working with NoSQL graph database and Spring Data Neo4j| |spring-boot-starter-data-r2dbc|Starter for using Spring Data R2DBC| |spring-boot-starter-data-redis|Starter for using Redis key-value data store with Spring Data Redis