Oracle普通用户使用show parameter方法

Oracle中一般只有sys用户可以使用show parameter来查看参数的设置,如果想要普通用户也可以使用show parameter,需要给普通用户授予在V_$PARAMETER视图上SELECT权限。

Oracle官方解释:

Your output may vary depending on the version and configuration of the Oracle Database server to which you are connected. You need SELECT ON V_$PARAMETER object privileges to use the PARAMETERS clause, otherwise you will receive a message

ORA-00942: table or view does not exist

SQL> conn / as sysdba
Connected.
SQL> show parameter count

NAME                                TYPE        VALUE
------------------------------------ ----------- ------------------------------
active_instance_count                integer
cpu_count                            integer    2
db_file_multiblock_read_count        integer    46

SQL> create user lyn identified by oracle default tablespace users;

User created.

SQL> grant connect,resource to lyn;

Grant succeeded.

SQL> conn lyn/oracle
Connected.
SQL> show parameter count
ORA-00942: table or view does not exist
SQL> conn / as sysdba
Connected.
SQL> grant select on v_$parameter to lyn;

Grant succeeded.

SQL> conn lyn/oracle
Connected.
SQL> show parameter count

NAME                                TYPE        VALUE
------------------------------------ ----------- ------------------------------
active_instance_count                integer
cpu_count                            integer    2
db_file_multiblock_read_count        integer    46

类似的,如果要是使用show sga,就需要将V_$SGA的select权限授予普通用户

SQL> conn lyn/oracle
Connected.
SQL> show sga
ORA-00942: table or view does not exist

SQL> conn /as sysdba
Connected.
SQL> grant select on v_$sga to lyn;

Grant succeeded.

SQL> conn lyn/oracle
Connected.
SQL> show sga

Total System Global Area  313860096 bytes
Fixed Size                  1336232 bytes
Variable Size            205524056 bytes
Database Buffers          100663296 bytes
Redo Buffers                6336512 bytes

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