Which three elements can a job chain p...

多项选择题Which three elements can a job chain process involve?（）

A. an event
B. a schedule
C. a program
D. another chain
E. a lightweight job

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1.多项选择题Which two statements regarding the Flashback Table feature are correct?（）

A. Flashback Table can be performed on system tables.
B. Flashback Table operation does not shrink the segments.
C. Flashback Table uses log mining to extract SQL_REDO and SQL_UNDO statements.
D. Flashback Table operation acquires exclusive data manipulation language (DML) locks.

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2.单项选择题 You issued the following command on the temporary tablespace LMTEMP in your database:
SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M;
Which requirement must be fulfilled for this command to succeed?（）

A. The tablespace must be locally managed.
B. The tablespace must have only one temp file.
C. The tablespace must be made nondefault and offline.
D. The tablespace can remain as the default but must have no active sort operations.

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3.单项选择题 View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:
RMAN> REPAIR FAILURE;
Which statement describes the consequence of the command?（）

A. The command performs the recovery and closes the failures.
B. The command only displays the advice and the RMAN script required for repair.
C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.
D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).

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4.单项选择题 Note the following parameters settings in your database:

What would happen?（）

A. It will fail because DB_8K_CACHE_SIZE parameter cannot be changed dynamically
B. It will be successful only if the memory is available from the auto tuned components
C. It will fail because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_TARGET
D. It will fail because an increase in the DB_8K_CACHE_SIZE cannot be accommodated within SGA_MAX_SIZE

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5.单项选择题You want to disable resumable space allocation for all sessions.Which value should be assigned to the RESUMABLE_TIMEOUT parameter to disable resumable space allocation for all sessions?（）

A. 0
B. 10
C. 100
D. NULL

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6.单项选择题The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this?（）

A. to prevent the creation of an excessive number of scheduler job classes
B. to allow the Automated Maintenance Tasks to use system resources without any restriction
C. to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window
D. to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resources

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7.单项选择题 You executed the following commands:

Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?（）

A. The statistics are stored in the pending statistics table in the data dictionary.
B. The statistics are treated as the current statistics by the optimizer for all sessions.
C. The statistics are treated as the current statistics by the optimizer for the current sessions only.
D. The statistics are temporary and used by the optimizer for all sessions until this session terminates.

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8.多项选择题You want to enable resumable space allocation at the instance level.Which two actions would enable resumable space allocation at the instance level?（）

A. issuing the ALTER SYSTEM ENABLE RESUMABLE; statement
B. issuing the ALTER SESSION ENABLE RESUMABLE; statement
C. modifying the RESUMABLE_TIMEOUT initialization parameter to a nonzero value
D. issuing the ALTER SYSTEM SET RESUMABLE_TIMEOUT=<nonzero value>; statement

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9.多项选择题You want to analyze a SQL Tuning Set (STS) using SQL Performance Analyzer in a test database. Which two statements are true regarding the activities performed during the test execution of SQLs in a SQL Tuning Set?（）

A.Every SQL statement in the STS is considered only once for execution
B.The SQL statements in the STS are executed concurrently to produce the execution plan and execution statistics
C.The execution plan and execution statistics are computed for each SQL statement in the STS
D.The effects of DDL and DML are considered to produce the execution plan and execution statistics

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10.多项选择题Which statements are true regarding the Query Result Cache? （）

A. It can be set at the system, session, or table level.
B. It is used only across statements in the same session.
C. It can store the results from normal as well as flashback queries.
D. It can store the results of queries based on normal, temporary, and dictionary tables.

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