What must you do to achieve this a increase the

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What must you do to achieve this? A. Increase the window size of the moving window baseline so that it equals the Automatic Workload Repository (AWR) snapshot retention period. B. Create a baseline on a pair of snapshots that span the peak load period. C. Generate Active Session History reports for the peak load period. D. Set the snapshot retention period in AWR to 60 to avoid automatic purging of snapshots for the past hour. Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 240 Which four operations performed after the Oracle Restart installation are automatically added to the Oracle Restart configuration? (Choose four.) A. listener configured by using NETCA B. database service created by using SRVCTL C. database created by using a SQL statement D. database created by using DBCA E. ASM instance created by using ASMCA
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F. database service created by using DBMS_SERVICE.CREATE_SERVICE G. database service created by modifying the SERVICE_NAMES initialization parameter Correct Answer: ABDE Section: (none) Explanation Explanation/Reference: References QUESTION 241 Your single-instance Oracle 12c database home currently supports conventional auditing and uses Automatic Storage Management (ASM). You want to enable unified auditing by executing the command: $ make –fins_rdbms.mk uniaud_on ioracle ORACLE_HOME=$ORACLE_HOME Which two steps should you perform before executing this command? (Choose two.) A. Ensure that the initialization parameter AUDIT_TRAIL is set to DB . B. Drop any existing fine-grained audit (FGA) policies. C. Stop the listener. D. Shut down the database instance. E. Disable auditing by setting the initialization parameter AUDIT_TRAIL to NONE . Correct Answer: CD Section: (none) Explanation Explanation/Reference: References: QUESTION 242 You create an Oracle 12c database and then import schemas that are required by an application which has not yet been developed. You want to get advice on creation of or modifications to indexes, materialized views and partitioning in these schemas. What must you run to achieve this? A. SQL Access Advisor with a SQL tuning set B. Automatic Database Diagnostic Monitor ( ADDM ) report C. SQL Tuning Advisor D. SQL Access Advisor with a hypothetical workload E. SQL Performance Analyzer Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 243 The HR user updates the salary of one of the employees in the non-partitioned EMPLOYEES table, but does not commit the transaction. Which two types of lock exist in this situation? (Choose two.) A. exclusive lock on the EMPLOYEES table
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B. null lock on the row being updated C. null lock on the EMPLOYEES table D. row level lock on the row being updated E. shared lock on the EMPLOYEES table Correct Answer: DE Section: (none) Explanation Explanation/Reference: QUESTION 244 You have a production Oracle 12c database running on a host.
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  • Fall '19
  • Oracle Database

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