SQL> desc v$logfile;
名称 是否为空? 类型
----------------------------------------- -------- ------------------ GROUP# NUMBER
STATUS VARCHAR2(7)
TYPE VARCHAR2(7)
MEMBER VARCHAR2(513)
IS_RECOVERY_DEST_FILE VARCHAR2(3) SQL> desc V$log;
名称 是否为空? 类型
----------------------------------------- -------- ---------------------- GROUP# NUMBER
THREAD# NUMBER
SEQUENCE# NUMBER
BYTES NUMBER
MEMBERS NUMBER
ARCHIVED VARCHAR2(3)
STATUS VARCHAR2(16)
FIRST_CHANGE# NUMBER
FIRST_TIME DATE SQL> desc V$datafile;
名称 是否为空? 类型
----------------------------------------- -------- ---------------------- FILE# NUMBER
CREATION_CHANGE# NUMBER
CREATION_TIME DATE
TS# NUMBER
RFILE# NUMBER
STATUS VARCHAR2(7)
ENABLED VARCHAR2(10)
CHECKPOINT_CHANGE# NUMBER
CHECKPOINT_TIME DATE
UNRECOVERABLE_CHANGE# NUMBER
UNRECOVERABLE_TIME DATE
LAST_CHANGE# NUMBER
LAST_TIME DATE
OFFLINE_CHANGE# NUMBER
ONLINE_CHANGE# NUMBER
ONLINE_TIME DATE
BYTES NUMBER
BLOCKS NUMBER
CREATE_BYTES NUMBER
BLOCK_SIZE NUMBER
NAME VARCHAR2(513)
PLUGGED_IN NUMBER
BLOCK1_OFFSET NUMBER
AUX_NAME VARCHAR2(513)
FIRST_NONLOGGED_SCN NUMBER SQL> desc V$controlfile;
名称 是否为空? 类型
----------------------------------------- -------- ---------------------- STATUS VARCHAR2(7)
NAME VARCHAR2(513)
IS_RECOVERY_DEST_FILE VARCHAR2(3)
BLOCK_SIZE NUMBER
FILE_SIZE_BLKS NUMBER SQL> DESC V$PARAMETER;
名称 是否为空? 类型
----------------------------------------- -------- ------------------------ NUM NUMBER
NAME VARCHAR2(80)
TYPE NUMBER
VALUE VARCHAR2(512)
DISPLAY_VALUE VARCHAR2(512)
ISDEFAULT VARCHAR2(9)
ISSES_MODIFIABLE VARCHAR2(5)
ISSYS_MODIFIABLE VARCHAR2(9)
ISINSTANCE_MODIFIABLE VARCHAR2(5)
ISMODIFIED VARCHAR2(10)
ISADJUSTED VARCHAR2(5)
ISDEPRECATED VARCHAR2(5)
DESCRIPTION VARCHAR2(255)
UPDATE_COMMENT VARCHAR2(255)
HASH NUMBER SQL> desc V$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) SQL> DESC DBA_OBJECTS;
名称 是否为空? 类型
----------------------------------------- -------- ----------------------- OWNER VARCHAR2(30)
OBJECT_NAME VARCHAR2(128)
SUBOBJECT_NAME VARCHAR2(30)
OBJECT_ID NUMBER
DATA_OBJECT_ID NUMBER
OBJECT_TYPE VARCHAR2(19)
CREATED DATE
LAST_DDL_TIME DATE
TIMESTAMP VARCHAR2(19)
STATUS VARCHAR2(7)
TEMPORARY VARCHAR2(1)
GENERATED VARCHAR2(1)
SECONDARY VARCHAR2(1) SQL> DESC ALL_OBJECTS;
名称 是否为空? 类型
----------------------------------------- -------- ----------------------- OWNER NOT NULL VARCHAR2(30)
OBJECT_NAME NOT NULL VARCHAR2(30)
SUBOBJECT_NAME VARCHAR2(30)
OBJECT_ID NOT NULL NUMBER
DATA_OBJECT_ID NUMBER
OBJECT_TYPE VARCHAR2(19)
CREATED NOT NULL DATE
LAST_DDL_TIME NOT NULL DATE
TIMESTAMP VARCHAR2(19)
STATUS VARCHAR2(7)
TEMPORARY VARCHAR2(1)
GENERATED VARCHAR2(1)
SECONDARY VARCHAR2(1) SQL> DESC USER_OBJECTS;
名称 是否为空? 类型
----------------------------------------- -------- ---------------------- OBJECT_NAME VARCHAR2(128)
SUBOBJECT_NAME VARCHAR2(30)
OBJECT_ID NUMBER
DATA_OBJECT_ID NUMBER
OBJECT_TYPE VARCHAR2(19)
CREATED DATE
LAST_DDL_TIME DATE
TIMESTAMP VARCHAR2(19)
STATUS VARCHAR2(7)
TEMPORARY VARCHAR2(1)
GENERATED VARCHAR2(1)
SECONDARY VARCHAR2(1)

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