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  • oracle 连接数据库以及查看当前用户、当前数据库实例

    sql>show user;查看当前用户

    sql>show parameter instance_name;查看当前数据库实例

    例如:

    sqlplus登录:用sys用户登录(密码是123456)

    conn[ect]:切换到sbgl用户(密码是sbgl)

    C:Windowssystem32>sqlplus sys/123456@orcl as sysdba
    
    SQL*Plus: Release 11.2.0.1.0 Production on 星期五 2月 2 14:32:34 2018
    
    Copyright (c) 1982, 2010, Oracle.  All rights reserved.
    
    
    连接到:
    Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
    With the Partitioning, OLAP, Data Mining and Real Application Testing options
    
    SQL> show user
    USER 为 "SYS"
    SQL> conn sbgl/sbgl@orcl
    已连接。
    SQL> show user
    USER 为 "SBGL"
    SQL> show parameter instance_name;
    
    NAME                                 TYPE        VALUE
    ------------------------------------ ----------- ------------------------------
    instance_name                        string      orcl

    另一种:

    C:Windowssystem32>sqlplus /nolog
    
    SQL*Plus: Release 11.2.0.1.0 Production on 星期五 2月 2 15:29:55 2018
    
    Copyright (c) 1982, 2010, Oracle.  All rights reserved.
    
    SQL> show user;
    USER 为 ""
    SQL> conn sbgl/sbgl@orcl as sysdba
    已连接。
    SQL> show user
    USER 为 "SYS"
    SQL> show parameter instance_name
    
    NAME                                 TYPE        VALUE
    ------------------------------------ ----------- ------------------------------
    instance_name                        string      orcl
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  • 原文地址:https://www.cnblogs.com/qlqwjy/p/8405051.html
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