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User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash b 阅读全文
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Examine the following RMAN script:RMAN> run {debug on;allocate channel c1 type disk;backup datafile 5;}Which statement describes the purpose of the sc 阅读全文
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What does the DB_FLASHBACK_RETENTION_TARGET parameter configure?A. An upper limit on how far you can flash back the database, depending on the informa 阅读全文
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You are working in an online transaction processing (OLTP) environment. You use theFLASHBACKTABLE command to flash back the CUSTOMERS table. Before ex 阅读全文
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Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)A. The ADR base keeps all diagnostic information in binary 阅读全文
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You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are tru 阅读全文
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Which options would you consider while configuring a flash recovery area (fast recovery area in 11g Release 2) for your production database that is ru 阅读全文
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To enable faster incremental backups, you enabled block change tracking for the database. Which two statements are true about the block change trackin 阅读全文
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View the Exhibit and examine the output. You execute the following RMAN command to perform thebackup operation:RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE 阅读全文
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You want to configure the Flashback Database feature and retain flashback logs for three days.Presently the database is open and configured in ARCHIVE 阅读全文