查看Oracle数据库名和实例名

查看数据库名

SQL> select name from v$database;

NAME

---------

ORCL

 

SQL> desc v$database;

 名称                                      是否为空? 类型

 ----------------------------------------- -------- ----------------------------

 DBID                                               NUMBER

 NAME                                               VARCHAR2(9)

 CREATED                                            DATE

 RESETLOGS_CHANGE#                                  NUMBER

 RESETLOGS_TIME                                     DATE

 PRIOR_RESETLOGS_CHANGE#                            NUMBER

 PRIOR_RESETLOGS_TIME                               DATE

 LOG_MODE                                           VARCHAR2(12)

 CHECKPOINT_CHANGE#                                 NUMBER

 ARCHIVE_CHANGE#                                    NUMBER

 CONTROLFILE_TYPE                                   VARCHAR2(7)

 CONTROLFILE_CREATED                                DATE

 CONTROLFILE_SEQUENCE#                              NUMBER

 CONTROLFILE_CHANGE#                                NUMBER

 CONTROLFILE_TIME                                   DATE

 OPEN_RESETLOGS                                     VARCHAR2(11)

 VERSION_TIME                                       DATE

 OPEN_MODE                                          VARCHAR2(10)

 PROTECTION_MODE                                    VARCHAR2(20)

 PROTECTION_LEVEL                                   VARCHAR2(20)

 REMOTE_ARCHIVE                                     VARCHAR2(8)

 ACTIVATION#                                        NUMBER

 SWITCHOVER#                                        NUMBER

 DATABASE_ROLE                                      VARCHAR2(16)

 ARCHIVELOG_CHANGE#                                 NUMBER

 ARCHIVELOG_COMPRESSION                             VARCHAR2(8)

 SWITCHOVER_STATUS                                  VARCHAR2(20)

 DATAGUARD_BROKER                                   VARCHAR2(8)

 GUARD_STATUS                                       VARCHAR2(7)

 SUPPLEMENTAL_LOG_DATA_MIN                          VARCHAR2(8)

 SUPPLEMENTAL_LOG_DATA_PK                           VARCHAR2(3)

 SUPPLEMENTAL_LOG_DATA_UI                           VARCHAR2(3)

 FORCE_LOGGING                                      VARCHAR2(3)

 PLATFORM_ID                                        NUMBER

 PLATFORM_NAME                                      VARCHAR2(101)

 RECOVERY_TARGET_INCARNATION#                       NUMBER

 LAST_OPEN_INCARNATION#                             NUMBER

 CURRENT_SCN                                        NUMBER

 FLASHBACK_ON                                       VARCHAR2(18)

 SUPPLEMENTAL_LOG_DATA_FK                           VARCHAR2(3)

 SUPPLEMENTAL_LOG_DATA_ALL                          VARCHAR2(3)

 DB_UNIQUE_NAME                                     VARCHAR2(30)

 STANDBY_BECAME_PRIMARY_SCN                         NUMBER

 FS_FAILOVER_STATUS                                 VARCHAR2(21)

 FS_FAILOVER_CURRENT_TARGET                         VARCHAR2(30)

 FS_FAILOVER_THRESHOLD                              NUMBER

 FS_FAILOVER_OBSERVER_PRESENT                       VARCHAR2(7)

 FS_FAILOVER_OBSERVER_HOST                          VARCHAR2(512)

---------------------------------------

查看实例名

SQL> select instance_name from v$instance;

INSTANCE_NAME

----------------

orcl

 

SQL> desc v$instance;

 名称                                      是否为空? 类型

 ----------------------------------------- -------- --------------

 INSTANCE_NUMBER                                    NUMBER

 INSTANCE_NAME                                      VARCHAR2(16)

 HOST_NAME                                          VARCHAR2(64)

 VERSION                                            VARCHAR2(17)

 STARTUP_TIME                                       DATE

 STATUS                                             VARCHAR2(12)

 PARALLEL                                           VARCHAR2(3)

 THREAD#                                            NUMBER

 ARCHIVER                                           VARCHAR2(7)

 LOG_SWITCH_WAIT                                    VARCHAR2(15)

 LOGINS                                             VARCHAR2(10)

 SHUTDOWN_PENDING                                   VARCHAR2(3)

 DATABASE_STATUS                                    VARCHAR2(17)

 INSTANCE_ROLE                                      VARCHAR2(18)

 ACTIVE_STATE                                       VARCHAR2(9)

 BLOCKED                                            VARCHAR2(3)