摘要:
import java.util.ArrayList; import java.util.Random; public class Demo_Random { public static void main(String[] args) { Random random = new Random(); 阅读全文
摘要:
1.查询binlog日志文件命令: show slave status; show binary logs; show master logs; 2.查询保留时间: show variables like '%logs_days%'; 3.设置保留时间: set global expire_logs 阅读全文