(转)PLSQL Developer 12.0.7连接Oracle12c数据库

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• 1.下载安装PL/SQL Developer
• 2.下载Oracle Instant Client
• 3.配置PL/SQL Developer首选项
• 4.配置Oracle Instant Client
• 5.PL/SQL Developer登录Oracle
• 6.PL/SQL Developer显示SQL行号
• 7.PL/SQL Developer中文乱码处理
• 8.PL/SQL Developer删除登录记录

Windows下使用PL/SQL Developer 12.0.7连接Oracle12c数据库

1.下载安装PL/SQL Developer

下载PL/SQL Developer - Registered Download，这里选择当前最新版12.0.7x64位plsqldev1207x64.msi 
双击plsqldev1207x64.msi进行安装，注册码参见PLSQL Developer 12.0.7 64位 注册码，设置如下：

product code： 4vkjwhfeh3ufnqnmpr9brvcuyujrx3n3le
serial Number：226959
password: xs374ca

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2.下载Oracle Instant Client

PL/SQL Developer使用配合Oracle Instant Client

下载Oracle Instant Client，这里选择Instant Client for Microsoft Windows (x64)，版本Version 12.2.0.1.0，选择instantclient-basic-windows.x64-12.2.0.1.0.zip

Version 12.2.0.1.0的Oracle数据库安装可参见Linux命令行安装Oracle12c

将下载的instantclient-basic-windows.x64-12.2.0.1.0.zip解压到和PL/SQL Developer安装的同级目录下(也可以是别的目录，看个人需要) 

3.配置PL/SQL Developer首选项

①打开PLSQL Developer，登录界面如下，点击Cancel取消按钮 

②点击菜单栏右上角按钮，或选择Configure-Preferences 

③打开的Preferences窗口中，配置Oracle Home路径为Oracle Instant Client解压安装路径 
 
OCI library为Oracle Instant Client解压安装路径下的oci.dll文件 
 
点击Apply-点击OK，使配置生效

④关闭PLSQL Developer，重新打开，多出了Connect as选项 

4.配置Oracle Instant Client

PLSQL Developer的登录界面没有数据库的初始化内容

在Oracle Instant Client解压安装目录下NETWORKADMIN新建tnsnames.ora文件，instantclient_12_2下没有NETWORKADMIN目录，也要新建 

tnsnames.ora内容如下：

cdb1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = Oracle服务IP)(PORT = 1521))
    (CONNECT_DATA =
      (SERVICE_NAME = cdb1)
    )
  )

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Oracle服务IP替换为Oracle的IP地址，配置完成后，关闭PLSQL Developer，重新启动

5.PL/SQL Developer登录Oracle

启动PLSQL Developer后出现的登录界面如下 

这时如果不知道用哪个用户名登录，可以使用命令行语句查看oracle所有的用户，以及该用户的状态 
select username,account_status from dba_users;

[oracle@solang ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Mon May 28 15:28:45 2018

Copyright (c) 1982, 2016, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> select username,account_status from dba_users;

USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
SYS
OPEN

SYSTEM
OPEN

XS$NULL
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
OJVMSYS
EXPIRED & LOCKED

LBACSYS
EXPIRED & LOCKED

OUTLN
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
SYS$UMF
EXPIRED & LOCKED

DBSNMP
EXPIRED & LOCKED

APPQOSSYS
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
DBSFWUSER
EXPIRED & LOCKED

GGSYS
EXPIRED & LOCKED

ANONYMOUS
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
CTXSYS
EXPIRED & LOCKED

SI_INFORMTN_SCHEMA
EXPIRED & LOCKED

DVSYS
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
DVF
EXPIRED & LOCKED

GSMADMIN_INTERNAL
EXPIRED & LOCKED

ORDPLUGINS
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
MDSYS
EXPIRED & LOCKED

OLAPSYS
EXPIRED & LOCKED

ORDDATA
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
XDB
EXPIRED & LOCKED

WMSYS
EXPIRED & LOCKED

ORDSYS
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
GSMCATUSER
EXPIRED & LOCKED

MDDATA
EXPIRED & LOCKED

SYSBACKUP
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
REMOTE_SCHEDULER_AGENT
EXPIRED & LOCKED

GSMUSER
EXPIRED & LOCKED

SYSRAC
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
AUDSYS
EXPIRED & LOCKED

DIP
EXPIRED & LOCKED

SYSKM
EXPIRED & LOCKED


USERNAME
--------------------------------------------------------------------------------
ACCOUNT_STATUS
--------------------------------
ORACLE_OCM
EXPIRED & LOCKED

SYSDG
EXPIRED & LOCKED

SPATIAL_CSW_ADMIN_USR
EXPIRED & LOCKED


36 rows selected.

SQL> quit
Disconnected from Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

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用户状态为OPEN的用户为SYS和SYSTEM，其中SYS为超级管理员用户 
用户SYS和SYSTEM的密码为数据库创建时的密码

忘记密码可进行修改

[oracle@solang ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Mon May 28 15:28:45 2018

Copyright (c) 1982, 2016, Oracle.  All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> alter user you_username identified by you_password;

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例alter user system identified by OraPasswd1;

system用户输入用户名和密码，数据库为cdb1，Normal方式连接 
 
sys用户输入用户名和密码，数据库为cdb1，SYSDBA或SYSOPER方式连接 

6.PL/SQL Developer显示SQL行号

点击菜单栏右上角按钮，或选择Configure-Preferences，左侧找到SQL Window，右侧找到Show gutter(line numbers)并勾选，Apply然后点击OK。 

7.PL/SQL Developer中文乱码处理

①查看数据库字符集 
select userenv('language') from dual; 
 
字符集为AMERICAN_AMERICA.AL32UTF8

②查看本地字符集 
select * from V$NLS_PARAMETERS; 
 
发现第一行和第九行是相对应的，AMERICAN_AMERICA.AL32UTF8

③新建系统环境变量NLS_LANG 
变量值和数据库的字符集相同，若已存在系统变量NLS_LANG，则更新变量值 
 
不新建到系统变量里，新建到上面的用户变量里也能正常使用。

④重新打开PL/SQL Developer 

8.PL/SQL Developer删除登录记录

最近登录过的用户记录会在打开PL/SQL Developer中显示 
 
打开Preferences窗口，选择Logon History，删除不常使用到的用户 

本文参考: 
PL/SQL Developer连接到Oracle 12c 
PLSQL Developer 12.0.7 64位 注册码 
plsql中文乱码问题（显示问号）