oracle怎麼查詢資料庫例項的三種方式
阿新 • • 發佈:2019-01-02
方法一:
SQL> select name from v$database;
NAME
---------
XE
方法二:
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
XE
方法三:
SQL> show parameter instance;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
active_instance_count integer
cluster_database_instances integer 1
instance_groups string
instance_name string XE
instance_number integer 0
instance_type string RDBMS
open_links_per_instance integer 4
parallel_instance_group string
parallel_server_instances integer 1