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Oracle Database 12c: Performance Management and Tuning
1Z0-064 Dumps
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Sample Question:1
You want to capture AWR data to monitor performance variation every Monday between
9:00 AM and 12:00 PM for three months and automatically remove the older AWR data
every fortnight.How would you achieve this?
A.Create AWR baselines.
B.Create SQL plan baselines.
C.Creat erepeating baseline templates.
D.Create database services and make sure that user connections use them to connect to
the database instance.
E.Create asingle baseline template.
Answer:D
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Sample Question:2
Which two actions can reduce library cache latch contention for an OLTP application that
repeatedly executes queries containing a mix of literals and bind variables?(Choosetwo.)
A.setting the OPEN_CURSORS parameter to hold a sufficient number of concurrently open
cursors
B.coding the application such that a frequently executed statement is parsed only once and
executed repeatedlyasrequired
C.setting the CURSOR_SHARING parameter to EXACT
D.avoiding the granting of privileges on objects associated with cursors during peak load
E.enabling Automatic Memory Management and allocating at least 50% of the available
memory for SHARED_POOL_SIZE
F.configuring shared server connections
Answer:C,E
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Sample Question:3
In which three situations can dynamic statistics be used?(Choosethree.)
A.when the sampling time is a small fraction of the total time for a query
B.when an execution plan is suboptimal because of complex predicates
C.when extended statistics are not available for SQL statements that use complex
predicates
D.when a query is on a partitioned table with a globalindex
E. when index statistics are missing on a column that is used in SQL statements
with highly selective filters
Answer:B,C,
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Oracle Database 12c: Performance Management and Tuning
1Z0-064 Dumps
Click here for more information:
https://www.realexamcollection.com/oracle/1z0-064-dumps.html
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