oracle 12c 常用命令

1、查看有多少pdb数据库:
SQL> show pdbs;
2、切换到指定容器数据库:
SQL> alter session set container=ORCLPDB;
3、启动容器数据库:
SQL> alter pluggable database ORCLPDB open;
4、关闭容器数据库:
SQL> alter pluggable database ORCLPDB close immediate;
5、查看数据库名字:
SQL> show con_name;

--创建或克隆前要指定文件映射的位置(需要CBD下sysdba权限)
alter system set db_create_file_dest='/u01/app/oracle/oradata/orcl/orcl2';

--创建一个新的PDB:(需要CBD下sysdba权限)
create pluggable database test admin user admin identified by admin;

--不指定直接创建库;
create pluggable database salespdb admin user admin identified by admin filenameconvert=('/u01/app/oracle/oradata/orcl12c/pdbseed/','/u01/app/oracle/oradata/orcl12c/salespdb/');
--克隆PDB(需要CBD下sysdba权限)
create pluggable database orcl2 from orcl1; --test_pdb必须是打开的,才可以被打开

--删除PDB(需要CBD下sysdba权限)

alter pluggable database orcl2 close; --关闭之后才能删除
drop pluggable database orcl2 including datafiles; --删除PDB orcl2

--设置CDB启动PDB自动启动(在这里使用的是触发器)
CREATE OR REPLACE TRIGGER open_pdbs
AFTER STARTUP ON DATABASE
BEGIN
EXECUTE IMMEDIATE 'ALTER PLUGGABLE DATABASE ALL OPEN';
END open_pdbs;

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转载自blog.51cto.com/12447922/2412354