oracle设置定期修改密码
--通过如下sql查询用户密码有效期配置
SELECT username,PROFILE FROM dba_users;
--上述sql查询结果一般为default
--使用如下sql可以查询到default的默认值
select * from dba_profiles where profile = 'DEFAULT' and resource_name = 'PASSWORD_LIFE_TIME'
--将默认的有效期(180)改为无限期
alter profile default limit password_life_time unlimited;
--将默认的有效期改为90天
Alter PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME '90'
--用户解锁
alter user sxgl account unlock
--将数据库用户的空闲时间设置为5分钟
ALTER PROFILE DEFAULT LIMIT IDLE_TIME 5;
--设置非法登录3次锁定
ALTER PROFILE DEFAULT limit FAILED_LOGIN_ATTEMPTS 3;
--设置密码输入超过XX错误输入后锁定该用户1天
ALTER PROFILE DEFAULT limit PASSWORD_LOCK_TIME 1;
查询权限
select * from dba_role_privs where grantee IN ('BLSPNEW','KELIAN','TZXMNEW','SXGL') ORDER BY grantee
oracle 的开启普通用户的审计;
audit alter,comment,insert,delete,update,select,index on tzxmnew.xx1 t by access whenever successful;
audit alter,comment,insert,delete,update,select,index on tzxmnew.xx2 by access whenever successful;
audit alter,comment,insert,delete,update,select,index on sxglnew.xx3 by access whenever successful;
audit alter,comment,insert,delete,update,select,index on sxglnew.xx4 by access whenever successful;
oracle 的查询审计日志
SELECT * from DBA_AUDIT_TRAIL where username in ('TZXMNEW','SXGLNEW') ORDER BY timestamp desc
mysql查询是否打开了二进制日志
show variables like '%log_bin%';
mysql连接数、超时设置
-- 显示所有连接
show full processlist;
-- 数据库当前设置的最大连接数
show global variables like 'max_connections';
-- 显示空闲(非交互)连接超时时间(秒)
show global variables like 'wait_timeout';
-- 显示交互连接超时时间
show global variables like 'interactive_timeout';
set GLOBAL max_connections=1000; //1000个连接
set global wait_timeout=600;
set global interactive_timeout=600;
mysql数据库root账号修改
查询:select * from mysql.user;
修改:
执行该语句:flush privileges;