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全部博文（487）
发布时间：2021-02-26 15:12:58
6、Which two are prerequisites for performing Flashback Transaction?B) The EXECUTE privilege must be granted to a user on the DBMS_FLASHBACK package.D) A supplemental log must be enabled for the primary key.......【阅读全文】
发布时间：2021-02-25 17:12:41
5、Which three are true about requirements for various FLASHBACK operations? (Choose three.)B. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.D. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.F. FLASHBACK version quer.........【阅读全文】
发布时间：2021-02-25 14:40:24
4、For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)B. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDBD. to specify the list of user tablespaces to include when moving a non-CDB to a.........【阅读全文】
发布时间：2021-02-25 13:32:44
3、While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.Which two could improve read performance? (Choose two.)B. Disable FORCE LOGGING for the database.D. Enable asynchronous disk I/.........【阅读全文】
发布时间：2021-02-23 13:44:22
2、Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems?B) when free space in a locally managed tablespace falls below a specified percentageD) when the number of logons per second exceeds a specific valueF) when the to.........【阅读全文】
