单句理解听力原文：Collateral can never make a bad loan good, but it can turn a good loan in

A. A subplan has the PLAN_SUB parameter value set to SUB

B. A top-level plan has the GROUP_OR_PLAN parameter set to the name of the subplan in the resource-plan definition

C. There is no difference in the resource-plan definition

D. A subplan always has the CPU_MTH parameter value set to RATIO

E. The string TOP_LEVEL is appended to the name of top-level resource plans

A.Compilation fails.

B.An exception is thrown at runtime.

C.The code executes and prints "StartedComplete".

D.The code executes and prints "StartedComplete0123".

E.The code executes and prints "Started0123Complete".

A. 17000.00

B. 17000*****

C. ****170.00

D. **17000.00

E. an error statement

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format

inary logs Has the read-only optionThe replication slave has been found in an error state.You check the MySQL error log file and find the following entries:2013-08-27 13:55:44 9056 [ERROR] Slave SQL: Could not execute Write_rows event on table test.tl; Duplicate entry ‘3’ for key’PRIMARY’ , Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event’s master log 56_master-bin.000003, end_log_pas 653, Error_code: 10622013-08-27 13:55:44 9056 [Warning] Salve: Duplicate entry ‘3’ for key ‘PRIMARY’Error_code: 10622013-08-27 13:55:44 9056 [ERROR] Error running query, slave SQL thread aborted. Fix theproblem, and restart the slave SQL thread with SLAVE START”, We stopped at log ‘56_masterbin.000003’ position 496 What are two possible causes for this error to occur?（）

A.The slave was created with mysqldump –u root –p – skip-lock-table—all-databases > /data/data.sql

B.The slave user does have INSERT, UPDATE, or DELETE permission and cannot execute the write_rows function

C.For tables with UNIQUE keys, statement-based replication must be used maintain integrity

D.The root user on the slave has executed FLUSH LOGS, causing the relay-log to doublewrite

E.The applications have the SUPER privilege, which allows them to update rows

A. The Oracle database will perform block checking for the index blocks only

B. The Oracle database will not perform block checking for any of the data blocks

C. The Oracle database will perform block checking for the default permanent tablespace only

D. The Oracle database will perform block checking for the data blocks in all user tablespaces

E. The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

A.Thedefaultinternalstorageofdatesisinthenumericformat

B.Thedefaultinternalstorageofdatesisinthecharacterformat

C.TheRRdateformatautomaticallycalculatesthecenturyfromtheSYSDATEfunctionanddoesnotallowtheusertoenterthecentury

D.TheRRdateformatautomaticallycalculatesthecenturyfromtheSYSDATEfunctionbutallowstheusertoenterthecenturyifrequired

A. As ASM instance mounts an ASM control file

B. An ASM instance uses the ASMB process for rebalancing of disks within a disk group

C. Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly

D. An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

omplish this task, you enabled Flashback Data Archive with the retention of 5 years. After some time, the business requirement changed and you are asked to change the retention period from 5 years to 3 years. To accomplish this, you issued the following command:ALTER FLASHBACK ARCHIVE fla1 MODIFY RETENTION 3 YEARS;What is the outcome of this command?（）

A. The command produces an error because the retention period cannot be reduced

B. All historical data older than 3 years is purged from the flashback archive FLA1

C. All historical data is retained but the subsequent flashback data archives are maintained for only 3 years

D. All historical data is transferred to flashback logs and the flashback archive is refreshed to set a new retention time

A.thevalueoftheNLS_LANGUAGEvariable

B.thevalueoftheNLS_TERRITORYvariable

C.thevalueoftheNLS_CURRENCYvariable

D.thecharacterencodingschemeusedbytheclientapplication