windows、linux下命令行登录oracle数据库方法，查询sga参数值sql语句

windows 下 cmd 命令行登录 oracle 数据库方法。直接就登录进来了。

C:UsersAdministrator>sqlplus

SQL*Plus: Release 11.2.0.4.0 Production on Thu Jun 18 17:25:07 2020

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Enter user-name: ncc_auto_0617
Enter password:

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>

linux 下命令行登录 oracle 数据库方法。需要输入用户名密码。

Last login: Thu Jun 18 18:15:36 2020 from 10.11.x.x
[root@nctest130 ~]# su - oracle
[oracle@nctest130 ~]$ sqlplus /nolog

SQL*Plus: Release 11.2.0.4.0 Production on Thu Jun 18 18:32:07 2020

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

SQL> conn ncc_auto_0610/1
Connected.

SQL>

windows 下 cmd 查询 sga 参数值语句。

SQL> show parameter sga

NAME                                 TYPE
------------------------------------ ---------------------------------
VALUE
------------------------------
lock_sga                             boolean
FALSE
pre_page_sga                         boolean
FALSE
sga_max_size                         big integer
42G
sga_target                           big integer
0

linux 下查询 sga 参数值语句，下面两种方式都可以。

SQL> show parameter sga

NAME                                 TYPE
------------------------------------ ---------------------------------
VALUE
------------------------------
lock_sga                             boolean
FALSE
pre_page_sga                         boolean
FALSE
sga_max_size                         big integer
46464M
sga_target                           big integer
0
SQL> show sga

Total System Global Area 4.8504E+10 bytes
Fixed Size                  2264336 bytes
Variable Size            4.4829E+10 bytes
Database Buffers         3623878656 bytes
Redo Buffers               49254400 bytes