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Question No : 1
In your database instance, the STATISTICS_LEVEL initialization parameter is set to BASIC.
What is the impact of this setting?
A. Optimizer statistics are collected automatically.
B. Only timed operating system (OS) statistics and plan execution statistics are collected.
C. The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
D. Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package.
E. The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
Answer: C
Question No : 2
You notice that the performance of the database has degraded because of frequent checkpoints. 1z0-052 pdf
Which two actions resolve the issue? (Choose two.)
A. Disable automatic checkpoint tuning
B. Check the size of the redo log file size and increase the size if it is small
C. Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor
D. Decrease the number of redo log members if there are more than one redo log members available in each redo log group
Answer: B,C
Question No : 3
See the Exhibit:
Which statements are true regarding the USERS tablespace? (Choose all that apply.) 1Z0-052 dumps
A. A bitmap is used to record free extents
B. Free extents information is managed within the tablespace
C. Free extents information is managed in the SYSAUX tablespace
D. The data dictionary tables are updated when extents are allocated or deallocated
Answer: A,B
Question No : 4
Identify the memory component from which memory may be allocated for:
Session memory for the shared serverBuffers for I/O slavesOracle 1z0-052 pdf Database Recovery Manager (RMAN) backup and restore operations
A. Large Pool
B. Redo Log Buffer
C. Database Buffer Cache
D. Program Global Area (PGA)
Answer: A
Question No : 5
You executed the following command to create a tablespace called SALES_DATA:
SQL> CREATE TABLESPACE sales_data
DATAFILE SIZE 100M
SEGMENT SPACE MANAGEMENT AUTO;