画个圆圆的地球

centos7 oracle19c安装||新建用户|| ORA-01012: not logged on

clickhouse安装部署

ORA-02000:missing ALWAYS keyword

今天遇到一问题，把nacos链接mysql的密码改成强密码[带逗号,的]后，一直报错，我把主机名位置改为公网、私有、localhost、127.0.0.1，都不能访问Caused by: com.mysql.cj.exceptions.CJException: Access denied for user 'root'@'主机名' (using password: YES)2021-10-25 15:34:43,968 ERROR Startup errors : {}org.springfr

今天遇到两次，在navicat中sql运行正常，但是在项目框架中运行不通。记录一次。https://blog.youkuaiyun.com/drose29/article/details/103893228https://www.cnblogs.com/cndarren/p/13218290.htmlhttps://blog.youkuaiyun.com/weixin_38158541/article/details/103369159...

https://blog.youkuaiyun.com/qq_39706128/article/details/90286850?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_utm_term~default-0.control&spm=1001.2101.3001.4242

参考：https://blog.youkuaiyun.com/codejas/article/details/79536863SELECT * FROM t_employee WHERE id IN (1, 2, 3, ...)/** 根据传入的 id 集合，查询出对应的员工信息，并使用集合保存信息 */ List<Employee> getEmpsByConditions(@Param("list") List<Integer> idList);<!-- 注意返..

https://blog.youkuaiyun.com/jian876601394/article/details/94313071?utm_medium=distribute.pc_relevant.none-task-blog-2~default~BlogCommendFromMachineLearnPai2~default-2.control&dist_request_id=1332048.20142.16194956877473051&depth_1-utm_source=distribute.

雪花算法生成主键，使用IdentifierGenerator identifierGenerator=new DefaultIdentifierGenerator();System.out.println(identifierGenerator.nextId(new Object()));