OCP-1Z0-053-V12.02-558题
2013-11-01 11:09
507 查看
558.Which view provides information on the backup status of the datafiles in the database?
A. V$BACKUP
B. V$BACKUP_STATUS
C. V$BACKUP_DATAFILE
D. V$DATAFILE_BACKUP
E. V$TABLESPCE_BACKUP
Answer: A
答案解析:
参考:http://docs.oracle.com/cd/E11882_01/server.112/e40402/dynviews_1044.htm#REFRN30017
sys@TEST0924> alter tablespace users begin backup;
sys@TEST0924> alter tablespace users end backup;
sys@TEST0924> select * from V$BACKUP;
FILE# STATUS CHANGE# TIME
---------- ------------------ ---------- ------------------
1 NOT ACTIVE 0
2 NOT ACTIVE 0
3 NOT ACTIVE 0
4 NOT ACTIVE 6124889 01-NOV-13
5 NOT ACTIVE 0
6 NOT ACTIVE 0
8 NOT ACTIVE 0
9 NOT ACTIVE 0
10 NOT ACTIVE 0
9 rows selected.
A. V$BACKUP
B. V$BACKUP_STATUS
C. V$BACKUP_DATAFILE
D. V$DATAFILE_BACKUP
E. V$TABLESPCE_BACKUP
Answer: A
答案解析:
参考:http://docs.oracle.com/cd/E11882_01/server.112/e40402/dynviews_1044.htm#REFRN30017
V$BACKUP
V$BACKUPdisplays the backup status of all online datafiles.
Column | Datatype | Description |
---|---|---|
FILE# | NUMBER | File identifier |
STATUS | VARCHAR2(18) | File status: NOT ACTIVE, ACTIVE(backup in progress), OFFLINE NORMAL, or description of an error. NOT ACTIVEindicates that the file is not currently in backup mode (that is, an ALTER TABLESPACE ... BEGIN BACKUPor ALTER DATABASE BEGIN BACKUPstatement has not been issued), whereas ACTIVEindicates that the file is currently in backup mode. |
CHANGE# | NUMBER | System change number when backup started |
TIME | DATE | Time the backup started |
sys@TEST0924> alter tablespace users end backup;
sys@TEST0924> select * from V$BACKUP;
FILE# STATUS CHANGE# TIME
---------- ------------------ ---------- ------------------
1 NOT ACTIVE 0
2 NOT ACTIVE 0
3 NOT ACTIVE 0
4 NOT ACTIVE 6124889 01-NOV-13
5 NOT ACTIVE 0
6 NOT ACTIVE 0
8 NOT ACTIVE 0
9 NOT ACTIVE 0
10 NOT ACTIVE 0
9 rows selected.
相关文章推荐
- OCP-1Z0-053-V12.02-594题
- OCP-1Z0-053-V12.02-552题
- OCP-1Z0-053-V12.02-667题
- OCP-1Z0-053-V12.02-663题
- OCP-1Z0-053-V12.02-166题
- OCP-1Z0-053-V12.02-10题
- OCP-1Z0-053-V12.02-510题
- OCP-1Z0-053-V12.02-215题
- OCP-1Z0-053-V12.02-640题
- OCP-1Z0-053-V12.02-156题
- OCP-1Z0-053-V12.02-335题
- OCP-1Z0-053-V12.02-337题
- OCP-1Z0-053-V12.02-519题
- OCP-1Z0-053-V12.02-21题
- OCP-1Z0-053-V12.02-560题
- OCP-1Z0-053-V12.02-280题
- OCP-1Z0-053-V12.02-369题
- OCP-1Z0-053-V12.02-52题
- OCP-1Z0-053-V12.02-492题
- OCP-1Z0-053-V12.02-75题