How Can I pass my Oracle 1z0-052 Exam

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How Can I pass my Oracle 1z0-052 Exam

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QUESTION 1 You notice that the performance of the database has degraded because of frequent checkpoints. 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 Correct Answer: BC

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QUESTION 2 Identify the memory component from which memory may be allocated for: Session memory for the shared serverBuffers for I/O slavesOracle Database Recovery Manager RMAN backup and restore operations A. Large Pool B. Redo Log Buffer C. Database Buffer Cache D. Program Global Area PGA Correct Answer: A

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QUESTION 3 You executed the following command to create a tablespace called SALES_DATA: SQL CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO Real 2 Oracle 1z0-052 Exam Which two statements are true about the SALES_DATA tablespace Choose two A. The database automatically determines the extent-sizing policy for the tablespace. B. The segments are automatically shrunk when the contents are removed from them. C. The allocation of extents within the tablespace is managed through the dictionary tables. D. The space utilization description of the data blocks in segments is recorded in bitmap blocks. E. The space utilization description of the data blocks in segments is managed through free lists. Correct Answer: AD

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QUESTION 4 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. Correct Answer: C

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QUESTION 5 Which three statements regarding the server parameter file SPFILE are true Choose three. A. An SPFILE is a binary file B. An SPFILE cannot reside on a client C. An SPFILE cannot contain static parameters D. An SPFILE can store changes persistently across instance restarts E. An SPFILE can be read by the database server but it is not written to by the server F. An SPFILE must be created manually before creating a database even if you use the Database Configuration Assistant DBCA to create the database Correct Answer: ABD

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QUESTION 6 Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup. What would you do to recover the data file A. Take the USERS tablespace offline and re-create the lost data file B. Shutdown the instance restore the data file from the last consistent backup and restart the database instance C. Shutdown the instance restores all the database files from the last consistent backup and restart the database instance D. Take the USERS tablespace offline restore all the data files of the USERS tablespace from the last consistent backup and make the tablespace online Correct Answer: C

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QUESTION 7 Examine the command: SQLDBMS_STATS.SET_TABLE_PREFSSHCUSTOMERSPUBLISHfalse Which statement describes the effect of the above command A. Automatic statistics collection is stopped for the CUSTOMERS table B. Statistics for the CUSTOMERS table are locked and cannot be overwritten C. Existing statistics for the CUSTOMERS table become unusable for the query optimizer D. Subsequently statistics gathered on the CUSTOMERS table are stored as pending statistics Correct Answer: D

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QUESTION 8 Examine the command: SQLALTER USR skd ACCOUNT LOCK Which two statements are true after the command is executed Choose two. Real 8 Oracle 1z0-052 Exam A. The SKD user cannot log in to the database instance B. The objects owned by the SKD user are not accessible to any user C. The other users can access the objects owned by the SKD user on which they have access D. The password for the SKD user expires and the user is forced to change the password at the next log in Correct Answer: AC

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QUESTION 9 You want to move all objects of the APPS user in the test database to the DB_USR schema of the production database. Which option of IMPDP would you use to accomplish this task A. FULL B. SCHEMAS C. TRANSFORM D. REMAP_SCHEMA E. REMAP_TABLESPACE Correct Answer: D

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QUESTION 10 Which three statements are correct about temporary tables Choose three. A. Indexes and views can be created on temporary tables B. Both the data and structure of temporary tables can be exported C. Temporary tables are always created in a users temporary tablespace D. The data inserted into a temporary table in a session is available to other sessions E. Data Manipulation Language DML locks are never acquired on the data of temporary tables Correct Answer: ACE

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