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Oracle10g Grid Computing with RAC
Chapter 17 -
Oracle’s Grid Integration Technologies

Advanced Queuing (AQ) Queue in the Data Pump

The Oracle Data Pump also features two AQ queues:

  • Status Queue: The master control process writes to the status queue. This queue is mainly used for shadow processes to receive work in progress and error messages queued by the master control process. 
     

  • Control Queue: This queue enables communication among the various processes.  All API commands, work requests, responses, file requests, and log messages are processed on this queue.

Data Pump Data Directory View

Following shows the data dictionary views related to the data pump.

  • dba_datapump_jobssummarizes all active Data Pump jobs on the system.

  • user_datapump_jobsummarizes the current user’s active Data Pump jobs.

  • dba_datapump_sessionsdisplays all sessions currently attached to Data Pump jobs.

  • v$session_longopsdisplays each active Data Pump job and its progress.

Data Pump Export

The following table lists the new Data Pump export utility’s commands and its comparable command in the original export utility.

DATA PUMP EXPORT

ORIGINAL EXPORT

ATTACH

 

CONTENT=ALL

ROWS=Y

CONTENT=METADATA_ONLY

ROWS=N

CONTENT=DATA_ONLY

 

DIRECTORY

 

DUMPFILE

FILE

ESTIMATE

 

ESTIMATE_ONLY

 

EXCLUDE and INCLUDE

GRANTS, INDEXES, TRIGGERS, CONSTRAINTS

FILESIZE

FILESIZE

FLASHBACK_SCN

FLASHBACK_SCN, CONSISTENT

OBJECT_CONSISTENT

FLASHBACK_TIME

FLASHBACK_TIME, CONSISTENT

OBJECT_CONSISTENT

FULL

FULL

HELP

HELP

JOB_NAME

 

KEEP_MASTER

 

LOGFILE

LOG

NETWORK_LINK

 

NOLOGFILE

 

PARALLEL

 

PARFILE

PARFILE

QUERY

 

SCHEMAS

OWNER

STATUS

FEEDBACK

TABLES

TABLES

TABLESPACE

TABLESPACE

TRANSPORT_TABLESPACES

TRANSPORT_TABLESPACES

TRANSPORT_FULL_CHECK

TTS_FULL_CHECK

VERSION

 



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