以下都可以:
show user;
select sys_context('userenv','session_user') from dual;
select user from dual; 查看所有登录的用户
select username from v$session;
show user;
select sys_context('userenv','session_user') from dual;
select user from dual; 查看所有登录的用户
select username from v$session;
解决方案 »
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