随笔分类 -  V$视图

摘要:A database user SMITH tries to query the V$SESSION view and fails to access it as follows:SQL> connect smith/smithConnected. SQL> SELECT * FROM v$sess 阅读全文
posted @ 2017-12-12 18:33 巴啦啦大魔王 阅读(267) 评论(0) 推荐(0)
摘要:Which statements listed below describe the data dictionary views?1. These are stored in the SYSTEM tablespace2. These are the based on the virtual tab 阅读全文
posted @ 2017-12-12 18:18 巴啦啦大魔王 阅读(201) 评论(0) 推荐(0)
摘要:You want to check the details of few errors that users have reported. You search for the alert log file and execute few commands to find the location 阅读全文
posted @ 2017-12-12 17:26 巴啦啦大魔王 阅读(103) 评论(0) 推荐(0)
摘要:Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice 阅读全文
posted @ 2017-12-08 13:22 巴啦啦大魔王 阅读(113) 评论(0) 推荐(0)
摘要:Which two statements are true about alerts? (Choose two.)A.Clearing an alert sends the alert to the alert history.B.Response actions cannot be specifi 阅读全文
posted @ 2017-12-07 13:25 巴啦啦大魔王 阅读(103) 评论(0) 推荐(0)
摘要:View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, you executed the following command:SQL> SELECT reason,met 阅读全文
posted @ 2017-12-07 11:35 巴啦啦大魔王 阅读(77) 评论(0) 推荐(0)
摘要:You have enabled resumable space allocation in your database by setting theRESUMABLE_TIMEOUT parameter set to a nonzero value.Which three statements a 阅读全文
posted @ 2017-11-16 16:31 巴啦啦大魔王 阅读(150) 评论(0) 推荐(0)
摘要:View the Exhibit and note the contents of V$DIAG_INFO.Which statement is true about the ADR? A. The text alert log file will be available in Diag Trac 阅读全文
posted @ 2017-11-15 17:06 巴啦啦大魔王 阅读(82) 评论(0) 推荐(0)
摘要:On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am.Which option must you use to check wheth 阅读全文
posted @ 2017-11-15 15:41 巴啦啦大魔王 阅读(109) 评论(0) 推荐(0)
摘要:Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY, and NLS_CHARACTERSET parameters?A. V$VALID_NLS_VALUESB. NLS_VALID_VAL 阅读全文
posted @ 2017-11-14 18:16 巴啦啦大魔王 阅读(95) 评论(0) 推荐(0)
摘要:Which Scheduler view(s) can be queried to see which jobs are currently executing? (Choose all that apply.)A. DBA_SCHEDULER_JOB_RUN_DETAILSB. DBA_SCHED 阅读全文
posted @ 2017-11-14 16:28 巴啦啦大魔王 阅读(97) 评论(0) 推荐(0)
摘要:Which of the following are prerequisite steps to transport a database? (Choose all that apply.)A. Query the V$TRANSPORTABLE_PLATFORMS view in the sour 阅读全文
posted @ 2017-11-14 15:25 巴啦啦大魔王 阅读(116) 评论(0) 推荐(0)
摘要:The following query will provide what information about transportable tablespaces for the currentdatabase? (Choose all that apply.)select d.platform_n 阅读全文
posted @ 2017-11-14 15:09 巴啦啦大魔王 阅读(91) 评论(0) 推荐(0)
摘要:Which of these components correctly identify the unique value of the NAME column in the DBA_RESUMABLE view?A. Username, instance number, session IDB. 阅读全文
posted @ 2017-11-14 15:03 巴啦啦大魔王 阅读(85) 评论(0) 推荐(0)
摘要:When tuning Automatic PGA Memory Management, which of the following views will provide the information specified?A. The V$PGA_TARGET_ADVICE view shows 阅读全文
posted @ 2017-11-14 14:50 巴啦啦大魔王 阅读(121) 评论(0) 推荐(0)
摘要:If you are going to run a TSPITR recovery, which view will help you to determine which objects will be lost during the TSPITR?A. TS_OBJECTS_TO_BE_DROP 阅读全文
posted @ 2017-11-13 14:01 巴啦啦大魔王 阅读(147) 评论(0) 推荐(0)
摘要:What view would you use to determine if a given tablespace is fully self-contained for the execution of a tablespace point-in-time recovery?A. TS_CHEC 阅读全文
posted @ 2017-11-13 10:32 巴啦啦大魔王 阅读(125) 评论(0) 推荐(0)
摘要:What view might you use to try to determine how long a particular backup will take?A. V$SESSION_EVENTB. V$SESSIONC. V$WAITSD. V$WAITSTATE. V$SESSION_L 阅读全文
posted @ 2017-11-10 17:59 巴啦啦大魔王 阅读(75) 评论(0) 推荐(0)
摘要:In what view are you likely to see the following output?SID SERIAL# EVENT SECONDS_IN_WAIT121 269 RMAN backup & recovery I/O 2129 415 SQL*Net message f 阅读全文
posted @ 2017-11-10 17:57 巴啦啦大魔王 阅读(74) 评论(0) 推荐(0)
摘要:If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status ofMEDIA_CORRUPT, what RMAN command would you run to correct the problem?A. re 阅读全文
posted @ 2017-11-10 16:12 巴啦啦大魔王 阅读(108) 评论(0) 推荐(0)