1.以系统用户命令行登录:
sqlplus sys/sys as sysdba;
2. 确认选择CDB
select name,cdb from v$database;
col pdb_name for a30
select pdb_id,pdb_name,dbid,status,creation_scn from dba_pdbs;
select con_id,dbid,NAME,OPEN_MODE from v$pdbs;
CON_ID DBID NAME OPEN_MODE
---------- ---------- ------------------------------ ----------
2 964253477 PDB$SEED READ ONLY
3 3329151580 ORCLPDB MOUNTED
在这里补充一下:orace12c 中PDB数据库 默认为ORACLPDB ,用户可以根据自己需求,
再次创建一个或多个PDB数据库表空间,数据库名称不重复即可,如下操作。
找到并点击Database Configurantion Assistant 然后下一步:
按照步骤依次操作即可。
3.创建使用者为test
SQL> create user c##test identified by test;
SQL> alter session set container=PDBORCL;
会话已更改。
SQL> show con_name;
CON_NAME
------------------------------
PDBORCL
4.创建真正的用户
SQL> startup;
插接式数据库已打开。
SQL> create user test identified by test default tablespace users temporary tablespace temp;
用户已创建。
SQL> grant create user,drop user,alter user,create any view,connect,resource,dba,create session,create any sequence to test ;
授权成功。
5.修改plsql登录配置
E:\java\Orcal_database\Orcal\virtual\product\12.1.0\dbhome_1\network\admin\tnsnames.ora文件中添加
ORCLPDB =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ORCLPDB)
)
)
6.修改用户
语法[更改用户]: alter user C##用户名 identified by 口令[改变的口令];例子: alter user c##test identified by 123456;
7.删除用户
语法:drop user C##用户名;例子:drop user c##test;
若用户拥有对象,则不能直接删除,否则将返回一个错误值。指定关键字cascade,可删除用户所有的对象,然后再删除用户。
7.撤销权限
语法: revoke connect, resource from c##用户名;列子: revoke connect, resource from c##test;
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8.plsq客户端登录
9.创建用户
create user 用户名 identified by 口令[即密码];例子: create user c##court identified by court;