11 2020 档案

摘要：一：mysql如何查看正在运行的事务 mysql> select * from information_schema.innodb_trx;+ + + + + + + + + + + + + + + + + + + + + + + + +| trx_id | trx_state | trx_star 阅读全文

摘要：下载以下几个文件包: jdk-15.0.1_linux-x64_bin.tar.gz elasticsearch-7.9.3-linux-x86_64.tar.gz kibana-7.9.3-linux-x86_64.tar.gz #tar -zxvf jdk-15.0.1_linux-x64_bi 阅读全文

摘要：use mysql;update user set authentication_string=password('新密码') where user='root' and Host='localhost';flush privileges; 阅读全文