A. identify the segments that you should shrink
B. modify the storage parameters for the tablespace
C. automatically shrink the segments with unused space
D. check the alerts generated for the tablespace that is running low on space
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A. Create two custom ADDM tasks.
B. Modify the AWR snapshot time interval to two hours.
C. Create a new scheduler window for a time period of two hours.
D. Modify the Automatic Workload Repository (AWR) snapshot retention period to two hours.
You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace:
ALTER TABLE employees SHRINK SPACE CASCADE;
Which statement is correct in this scenario?()
A. The EMPLOYEES table will be changed to read-only mode during the shrink operation.
B. The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.
C. The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.
D. Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.
The EMP table exists in your schema. You want to execute the following query:
SELECT ename, sal
FROM emp
AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL '6' MINUTE)
WHERE ename = 'ALLEN';
What are the minimum requirements for the statement to execute successfully? ()
A. ARCHIVELOG mode must be enabled
B. Row Movement must be enabled for the table
C. FLASHBACK must be set to ON for the database
D. The UNDO_MANAGEMENT parameter must be set to AUTO
E. The UNDO_RETENTION parameter must be set appropriately
You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows:
CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M
TABLESPACE GROUP '';
Which statement regarding the above command is correct?()
A. It will create the tablespace TEMP1 in group G1.
B. It will create the tablespace TEMP1 in group G3.
C. It will not add the tablespace TEMP1 to any group.
D. It will create the tablespace TEMP1 in the default group.
A. fixed tables
B. heap tables
C. external tables
D. temporary tables
E. Index-Organized Tables (IOTs)
A. set SHARED_POOL_SIZE to zero
B. set STATISTICS_LEVEL to BASIC
C. set SGA_TARGET to a non-zero value
D. set DB_CACHE_SIZE to a non-zero value
E. set STATISTICS_LEVEL to TYPICAL or ALL
A. TEST_TBS is a small file tablespace.
B. TEST_TBS is a bigfile tablespace (BFT).
C. TEST_TBS is the default temporary tablespace.
D. TEST_TBS is a dictionary-managed tablespace.
A. point-in-time recovery
B. execute the ROLLBACK command with transaction number
C. flashback the database to before the transaction was committed
D. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
A. SQL Repair Advisor
B. SQL Optimizer
C. SQL Access Advisor
D. SQL Tuning Advisor SQL
A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources
最新试题
Examine the following RMAN script:Which statement describes the purpose of the script?()
Which two statements are true about the Automatic Diagnostic Repository (ADR)?()
You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the system change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command.Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?()
Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?()
You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?()
Which two commands never trigger an implicit rebalancing within the disk group?()
Examine the parameter setting in your database:Which statement is correct about the database?()
Which three functions are performed by the SQL Tuning Advisor? ()
You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()
The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?()