查看數據庫名

SQL> select name from v$database;

NAME

---------

ORCL

SQL> desc v$database;

名稱 是否為空? 類型

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

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

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)

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

查看實例名

SQL> select instance_name from v$instance;

INSTANCE_NAME

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

orcl

SQL> desc v$instance;

名稱 是否為空? 類型

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

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

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)

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