useradd
1.作用useradd命令用来建立用户帐号和创建用户的起始目录,使用权限是终极用户。2.格式useradd [-d home] [-s shell] [-c comment] [-m [-k template]] [-f inactive] [-e expire ] [-p passwd] [-r] name...
手动create database 的可用命令
create database testcontrolfile reusedatafile 'd:\data\system1.dbf' size 100m autoextend on next 100m maxsize unlimited sysaux datafile 'd:\data\sysaux1.dbf' size 100m reuse autoextend on next 1...
数据库连接问题ORA-12638
今天打开连接数据库报错ORA-12638,如下:SQL> conn / as sysdbaERROR: ORA-12638: Credential retrieval failedSQL> conn scott/tiger ERROR: ORA-12638: Credential retrieval failed ...