You decided to increase the value for the SHARED_SERVERS parameter by using the following command:
SQL> ALTER SYSTEM SET SHARED_SERVERS=3 SCOPE=?;
Which three values can be specified for the SCOPE clause? (Choose three.)
A. ALL
B. PFILE
C. BOTH
D. NONE
E. SPFILE
F. MEMORY
G. INSTANCE
H. DATABASE
Answer: CEF
SQL> select issys_modifiable from v$parameter where NAME='shared_servers'; ISSYS_MODIFIABLE ---------------- IMMEDIATE --可以在内存里修改
Modifiable ALTER SYSTEM
If you are using shared server architecture or if the DISPATCHERS
parameter is set such that the total number of dispatchers is more than 0, then the default value is 1
.默认值是0或者10
, meaning that shared server is not on.
SCOPE=SPFILE: