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全部博文（487）
发布时间：2019-09-10 09:28:12
SQL> ALTER SYSTEM SET db_recovery_file_dest_size=2G;A) It changes DB_RECOVERY_FILE_DEST_SIZE to 2G and deletes the obsolete backupsC) It fails because DB_RECOVERY_FILE_DEST_SIZE is a static parameterE) It fails because the new size is less than 5GCUUG：因为当前还有空闲的空间 3G,所.........【阅读全文】
发布时间：2019-09-09 13:17:48
LOG_ARCHIVE_DEST is set to Fast Recovery Area (FRA) and It is 100% full when a log switch takes place.What is the outcome?B)All active sessions hang until the database administrator (DBA) makes space available in the FRA.D)All active sessions are disconnected and their transactions rol.........【阅读全文】
发布时间：2019-09-09 11:38:35
A)It should be larger than the database.C)Space management in the FRA is influenced by the database backup retention policy.E)A database must be in ARCHIVELOG mode to use the FRA.赵：排除 only 和 must 选项。......【阅读全文】
发布时间：2019-09-04 16:31:01
A)It only exists if DIAGNOSTIC_DEST is configured in the SPFILE.C)It only contains the alert log.E)It includes diagnostic data for critical errors for client processes.Answer: BF在 Oracle 的 11g 版本中，alert 文件的位置发生了变化，与此同时 Oracle 提供了一个命令行工具 ADRCI，它可以.........【阅读全文】
发布时间：2019-09-04 15:33:40
A) It is used only if the DIAGNOSTIC_DEST parameter is manually configured.C) Its location is always set by the ORACLE_BASE variable.Answer: DADR (Automatic Diagnostic Repository) ，ADR 是一个基于文件的资料档案库，用于存放数据库诊断数据(如跟踪、意外事件转储和程序包、预警日志、健康状况.........【阅读全文】
