查看oracle已安装组件的方法

SQL> DESC V$OPTION
 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 PARAMETER                                          VARCHAR2(64)

 VALUE                                              VARCHAR2(64)

---查询oracle空间数据库插件是否已安装

SQL> SELECT * FROM V$OPTION WHERE PARAMETER='Spatial';

PARAMETER                        VALUE
---------------------           ---------------
Spatial                                  TRUE