[activiti6.x]建立mysql數據（mysql5.7.22）

CREATE DATABASE activiti6ui;
CREATE USER 'sa'@'%' IDENTIFIED BY '';
GRANT ALL ON activiti6ui.* TO 'sa'@'%';

而後用sa用戶執行三個sql文件：

• activiti.mysql.create.engine.sql
• activiti.mysql.create.history.sql
• activiti.mysql.create.identity.sql