在Oracle中一般只有sys用戶可以使用show parameter來查看參數的設置，如果想要普通用戶也可以使用show

parameter，需要給普通用戶授予在V_$PARAMETER視圖上SELECT權限。

Oracle官方解釋：

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

類似的，如果要是使用show sga，就需要將V_$SGA的select權限授予普通用戶

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

總結

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