# Flowable工作流引擎

## 1. Database table names explained

### The database names of Flowable all start with ACT_. The second part is a two-character identification of the use case of the table. This use case will also roughly match the service API.

* ACT_RE_*: RE stands for repository. Tables with this prefix contain static information such as process definitions and process resources (images, rules, etc.).

* ACT_RU_*: RU stands for runtime. These are the runtime tables that contain the runtime data of process instances, user tasks, variables, jobs, and so on. Flowable only stores the runtime data during process instance execution and removes the records when a process instance ends. This keeps the runtime tables small and fast.

* ACT_HI_*: HI stands for history. These are the tables that contain historic data, such as past process instances, variables, tasks, and so on.

* ACT_GE_*: general data, which is used for various use cases.

## 2. 昨天(3月24日)学了什么？

> 参照：https://www.flowable.org/docs/userguide/index.html

主要根据2.3. Building a command-line application熟悉了部分API

了解到，工作流的创建、流程定义、部署、流程查询、Spring集成、Spring Boot集成。

以及UI。

## 接下来做什么？

刷第7章，BPMN 2.0 Introduction和第8章，BPMN 2.0 Constructs

9、10、11、12、17、18、19

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