Oracle19c表空间 Oracle19c 创建表空间遇到的坑
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#常用的几个代码
--查询临时表空间 select name from v$tempfile; --查询表空间 select name from v$datafile; 修改用户的密码 alter user 用户名 identified by 密码;
昨天部署好oracle19c后，用以前oracle11g的笔记来创建表空间遇到了坑。这里写一下总结。
其实之所以遇到坑是因为相比于oracle11g,oracle19c多了一个CDB和PDB的概念（从12C开始出现）。
#确定表空间文件存储目录
[oracle@localhost ~]$ su - oracle [oracle@localhost ~]$ cd /opt/oracle/oradata/ [oracle@localhost oradata]$ ls ORCLCDB [oracle@localhost oradata]$ cd ORCLCDB/ [oracle@localhost ORCLCDB]$ ls control01.ctl control02.ctl ORCLPDB1 pdbseed redo01.log redo02.log redo03.log sysaux01.dbf system01.dbf temp01.dbf undotbs01.dbf users01.dbf [oracle@localhost ORCLCDB]$ mkdir anytxn_v2_dev [oracle@localhost ORCLCDB]$ cd anytxn_v2_dev/ [oracle@localhost anytxn_v2_dev]$ pwd /opt/oracle/oradata/ORCLCDB/anytxn_v2_dev
#创建表空间文件
[oracle@localhost anytxn_v2_dev]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Fri Feb 21 13:38:42 2020 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0 SQL> CREATE TEMPORARY TABLESPACE ANYTXN_DEV_DATA_TEMP TEMPFILE '/opt/oracle/oradata/ORCLCDB/anytxn_v2_dev/anytxn_v2_dev_temp.dbf' SIZE 32M AUTOEXTEND ON NEXT 32M MAXSIZE 20480M EXTENT MANAGEMENT LOCAL; Tablespace created. SQL> create tablespace ANYTXN_V2_DEV_DATA logging datafile '/opt/oracle/oradata/ORCLCDB/anytxn_v2_dev/anytxn_v2_dev_data.dbf' size 100M autoextend on next 100M maxsize 30480M autoallocate extent management local segment space management auto; 2 3 4 5 6 7 8 9 Tablespace created.
#创建用户
SQL> create user anytxn_v2_dev identified by "jrx12345" default tablespace ANYTXN_V2_DEV_DATA temporary tablespace ANYTXN_DEV_DATA_TEMP profile DEFAULT;
create user anytxn_v2_dev identified by "jrx12345" default tablespace ANYTXN_V2_DEV_DATA temporary tablespace ANYTXN_DEV_DATA_TEMP profile DEFAULT
*
ERROR at line 1:
ORA-65096: invalid common user or role name
此错误是因为用户名称不符合规范，Oracle 12C开始引入了CDB与PDB的新特性。sqlplus / as sysdba命令默认登陆的是CDB数据库，而CDB数据库中要求所有新建用户用户名必须以c##开头，否则就会报以上错误，在PDB内创建用户则没有此要求
#修改用户名后创建用户
SQL> create user c##anytxn_v2_dev identified by "jrx12345" default tablespace ANYTXN_V2_DEV_DATA temporary tablespace ANYTXN_DEV_DATA_TEMP profile DEFAULT; create user c##anytxn_v2_dev identified by "jrx12345" default tablespace ANYTXN_V2_DEV_DATA temporary tablespace ANYTXN_DEV_DATA_TEMP profile DEFAULT * ERROR at line 1: ORA-65048: error encountered when processing the current DDL statement in pluggable database ORCLPDB1 ORA-00959: tablespace 'ANYTXN_V2_DEV_DATA' does not exist
原因是在CDB内创建用户分配表空间时，所分配的表空间必须在PDB和CDB中同时存在，否则会报错。如果是在PDB与CDB有相同表空间的情况下给CDB用户分配表空间，则会分配CDB的表空间，给用户PDB的表空间并不受影响。所以要在PDB内创建相同的表空间，然后再回CDB创建用户
查询当前数据库名称 SQL> show con_name CON_NAME ------------------------------ CDB$ROOT 查询PDB数据库名称 SQL> select name,open_mode from v$pdbs; NAME -------------------------------------------------------------------------------- OPEN_MODE ------------------------------ PDB$SEED READ ONLY ORCLPDB1 READ WRITE 切换数据库 SQL> alter session set container=ORCLPDB1; Session altered. SQL> CREATE TEMPORARY TABLESPACE ANYTXN_DEV_DATA_TEMP TEMPFILE '/opt/oracle/oradata/ORCLCDB/ORCLPDB1/anytxn_v2_dev/anytxn_v2_dev_temp.dbf' SIZE 32M AUTOEXTEND ON NEXT 32M MAXSIZE 20480M EXTENT MANAGEMENT LOCAL; Tablespace created. SQL> create tablespace ANYTXN_V2_DEV_DATA logging datafile '/opt/oracle/oradata/ORCLCDB/ORCLPDB1/anytxn_v2_dev/anytxn_v2_dev_data.dbf' size 100M autoextend on next 100M maxsize 30480M autoallocate extent management local segment space management auto; 2 3 4 5 6 7 8 9 Tablespace created. SQL> alter session set container=CDB$ROOT; Session altered. SQL> create user c##anytxn_v2_dev identified by "jrx12345" default tablespace ANYTXN_V2_DEV_DATA temporary tablespace ANYTXN_DEV_DATA_TEMP profile DEFAULT; User created. SQL> GRANT CONNECT,RESOURCE TO c##anytxn_v2_dev; Grant succeeded.
如上所示，创建成功，尝试用新用户连接数据库
[oracle@localhost anytxn_v2_dev]$ sqlplus c##anytxn_v2_dev/jrx12345 SQL*Plus: Release 19.0.0.0.0 - Production on Fri Feb 21 20:46:04 2020 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Last Successful login time: Fri Feb 21 2020 15:33:39 +08:00 Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0
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