单项选择题
A. Create new indexes.
B. Modify existing indexes.
C. Implement partitioning on a nonpartitioned table.
D. Create materialized views.
E. All of the above
多项选择题 What two statements are true regarding the recommendations received from the SQL Access Advisor?（）(Choose two.)
单项选择题 Given the following RMAN commands，choose the option that reflects the order required to restore your currently operational ARCHIVELOG-mode database.（） a. restore database b. recover database c. shutdown immediate d. startup e. restore archivelog all f. alter database open
多项选择题 What recommendations does the SQL Access Advisor provide for optimizing SQL queries?（） (Choose all that apply.)