风哥Oracle RAC+DG生产实战（2）：Oracle19c RAC for Linux8安装+补丁
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_file_name_convert string
db_name string XE
db_unique_name string XE
global_names boolean FALSE
instance_name string XE
lock_name_space string
log_file_name_convert string
service_names string XE
SQL> alter system set service_names = XE1,XE2 scope=spfile;
System altered.
