[英]Problem connecting to migrated database in Oracle SQL Developer
[英]Problem in connecting with oracle database
默认情况下,可插拔数据库不会在其容器数据库启动时自动打开。 sysdba 用户需要发出命令“alter pluggable database all open”以使其进入读写模式。 您的错误表明这里没有发生这种情况。 查看此链接以获取有关如何执行此操作的详细信息: https://oracle-base.com/articles/12c/multitenant-startup-and-shutdown-cdb-and-pdb-12cr1#:~:text=Pluggable%20Database% 20(PDB)%20Automatic%20Startup,-%2012.1.&text=Prior%20to%2012.1.,或%20all%20of%20the%20PDBs 。
我的容器是从头开始构建的 Oracle 18 xe 来源: github 。
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
13afebdbdbdc oracle/database:18.4.0-xe "/bin/sh -c 'exec $O…" 8 hours ago Up 7 hours (healthy)
$ docker exec -it xedb ps -ef | grep xe
oracle 1736 1 0 09:42 ? 00:00:01 xe_pmon_XE
oracle 1738 1 0 09:42 ? 00:00:00 xe_clmn_XE
------------------------
59 lines......
$ docker exec -it --user=oracle xedb sqlplus / as sysdba
SQL*Plus: Release 18.0.0.0.0 - Production on Thu Jun 18 15:45:11 2020
Version 18.4.0.0.0
Copyright (c) 1982, 2018, Oracle. All rights reserved.
Connected to:
Oracle Database 18c Express Edition Release 18.0.0.0.0 - Production
Version 18.4.0.0.0
SQL> show con_name -- container name
NAME
------------------------------
CDB$ROOT
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 XEPDB1 READ WRITE NO
SQL>
实例已启动并运行以及可插拔数据库
如果您无法从 docker 终端以 sysdba 身份登录。您可以尝试使用 bash 命令
$ docker exec -it --user=oracle xedb bash
[oracle@13afebdbdbdc /]$
如果这不能作为 Oracle 用户排除--user
参数,请使用 bash 命令
$ docker exec -it xedb bash
bash-4.2# su oracle -- switch oracle user
[oracle@13afebdbdbdc /]$ echo $ORACLE_HOME -- verify environment
/opt/oracle/product/18c/dbhomeXE
[oracle@13afebdbdbdc /]$ echo $ORACLE_SID
XE
如果您的环境没有返回任何内容,您可以使用以下命令设置环境
[oracle@13afebdbdbdc /]$ . oraenv -- dot space oraenv
ORACLE_SID = [XE] ?
The Oracle base remains unchanged with value /opt/oracle
[oracle@13afebdbdbdc /]$ rlwrap sqlplus / as sysdba
SQL*Plus: Release 18.0.0.0.0 - Production on Thu Jun 18 15:58:39 2020
Version 18.4.0.0.0
Copyright (c) 1982, 2018, Oracle. All rights reserved.
Connected to an idle instance
SQL> startup -- start the database
ORACLE instance started.
Total System Global Area 1610609288 bytes
Fixed Size 8897160 bytes
Variable Size 620756992 bytes
Database Buffers 973078528 bytes
Redo Buffers 7876608 bytes
Database mounted.
Database opened.
SQL> select open_mode from v$database; -- check database status
OPEN_MODE
--------------------
READ WRITE
SQL> show pdbs -- check pdb open mode is read write
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 XEPDB1 READ WRITE NO
如果您碰巧在安装 state 中看到 Pluggable 数据库
SQL> show pdbs -- pdb xepdb1 is in mount state
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 XEPDB1 MOUNTED
SQL> alter pluggable database xepdb1 open; -- open pdb
Pluggable database altered.
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 XEPDB1 READ WRITE NO
SQL> alter pluggable database xepdb1 save state ; --------next restart pdb will be opened automagically
Pluggable database altered.
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.