Backup and recovery
Transactions
Security
Queries
第1题：
A.Summarized queries
B.Granular transactions
C.Voluminous historical data
D.Heterogeneous data sources
第2题：
A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ). Which store subsets of data from a warehouse.
第3题：
A. The data file is checked for physical corruption and backed up if found clean.
B. The backup of data file 5 is performed and the interactive messages during the backup are suppressed.
C. The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup.
D. The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed
第4题：
Which of the following is the main feature of an OLTP application?（）
第5题：
Which of the following is the MOST important data retention consideration when creating a backup system？（）
第6题：
A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ). Which store subsets of data from a warehouse.
A.OLTPs
B.transactions
C.data sarts
D.OLAPs
第7题：
Which of the following backup method ologies is MOST time efficient for restoring data？（）
第8题：
A.Backup and recovery
B.Transactions
C.Security
D.Queries
第9题：
Which of the following allows an administrator to recover the MOST data?（）
第10题：
For which of the following is a data warehouse optimized?（）