windows下docker启动报端口异常：`Ports are not available: exposing port TCP 0.0.0.0:1522 -> 0.0.0.0:0: listen tcp 0.0.0.0:1522: bind: An attempt was made to access a socket in a way forbidden by its access perm

dcoker容器启动失败，查看启动错误信息查看docker容器的日志

history命令（查看linux的shell执行命令记录）

DBeaver连接达梦或高斯数据库

oracle重启数据库；启动数据库；关闭数据库

oracle重启数据库；启动数据库；关闭数据库

MySQL创建用户并授权创建用户CREATE USER 'testDatabase'@'%' IDENTIFIED BY '111111';# CREATE USER '你的用户名'@'可以访问数据库的ip，%表示所有' IDENTIFIED BY '数据库密码';用户授权GRANT ALL ON testDatabase_jixian.* TO 'username'@'%';解释GRANTALL

配置日志打印sql方式一,设置mybatis日志输出类## 标题#输出查询结果mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl#不输出查询结果#mybatis.configuration.log-impl=org.apache.ibatis.logging.log4j2.Log4j2Impl方式二，

Oracle分页查询方法一-- 40为pageCurrent * pageSize，31 应为为(pageCurrent - 1) * pageSizeSELECT * FROM(SELECT A.*, ROWNUM RNFROM (SELECT * FROM TABLE_NAMEWHERE 1 = 1 -- 条件ORDER BY CREATETIME DESC -- 排序) AWHERE ROW