单项选择题
You create a table in your database that contains 50，000 rows approximately. The queries performed on the table are complex and performed on the table frequently. Which advisor helps you achieve the best performance of database for queries by recommending the appropriate indexes？（）
A.SQL Access Advisor
B. Memory Advisor
C.SQL Tuning Advisor
D. Segment Advisor
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相关考题
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单项选择题
You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes. Which action will you perform to check the data blocks？（）
A. Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUE
B. Use the ANALYZE utility.
C. Use the DBVERIFY utility.
D. Use the DBMS_REPAIR package. -
单项选择题
William specified the following initialization parameter settings in the pfile： BACKGROUND_DUMP_DEST = ’u01\oradata\dir_A’ USER_DUMP_DEST = ’u01\oradata\dir_B’ DB_CREATE_FILE_DEST = ’u01\oradata\dir_C’ DB_CREATE_ONLINE_LOG_DEST_n = ’u01\oradata\dir_D’ William enabled the change-tracking feature because he does not want to scan the entire datafile during backup. What is the default storage location for the change tracking file？（）
A. ’u01\oradata\dir_A’
B. ’u01\oradata\dir_B’
C. ’u01\oradata\dir_C’
D. ’u01\oradata\dir_D’ -
单项选择题
YouwanttochecktheEMPtableintheuser，Scott’sschemaforblockcorruption.Youalsowanttofixthecorruptedblocks，ifany.Howwillyouaccomplishtherequiredtask？（）
A.by using the ANALYZE utility
B.by using the DBVERIFY utility
C.by using the DB_BLOCK_CHECKING parameter
D.by using the DBMS_REPAIR package
