14、Which command is used to display files that no longer conform to the backup retention policy?A) REPORT OBSOLETEB) SHOW DATAFILE BACKUP COPIESC) CROSSCHECK BACKUPD) LIST EXPIRED BACKUPAnswer:A【阅读全文】
10、Which two are true about consistent database backups?A) They can only be taken when a RECOVERY CATALOG is used.B) They can only be taken if the database Is in ARCHIVELOG mode.C) They can only be taken If shutdown NORMAL, TRANSACTIONAL, or IMMEDIATE shutdown has been performed and ...【阅读全文】
6、You are installing Oracle Grid Infrastructure by using the Oracle Universal Installer (OUI).You select the "Install and Configure Grid Infrastructure for a Standalone Server" option.Which task is performed by OUI as part of this installation?A) creation and configuration of Enterp...【阅读全文】
3、Which structure can span multiple data files?A) a permanent tablespaceB) a bigfile tablespaceC) a temporary tablespaceD) a segmentE) an extentAnswer:ACD【阅读全文】
2、Which two are true about Optimizer Statistics?? A) They do not persist across Instance restarts.? B) They are automatically updated when DDL statements execute.? C) They are gathered by the Manageability Monitor (MMON) background process.? D) They can be gathered by executing th...【阅读全文】
博客文章除注明转载外,均为原创。转载请注明出处。本文链接地址:http://blog.chinaunix.net/uid-31396856-id-5784934.htmlOracle视图except SNAP_ID, and INSTANCE_NUMBER等字段dba_hist_active_sess_history视图的详细信息,请见下表列数据类型NULL...【阅读全文】