Oracle 10g expdp 主要参数(标记一下)

[oracle@rac1 ~]$ expdp help =yes

Export: Release 10.2.0.4.0 - Production on Friday, 13 January, 2012 16:31:36

Copyright (c) 2003, 2007, Oracle. All rights reserved.

The Data Pump export utility provides a mechanism for transferring data objects
between Oracle databases. The utility is invoked with the following command:

Example: expdp scott/tiger DIRECTORY=dmpdir DUMPFILE=scott.dmp

You can control how Export runs by entering the 'expdp' command followed
by various parameters. To specify parameters, you use keywords:

Format: expdp KEYWORD=value or KEYWORD=(value1,value2,...,valueN)
Example: expdp scott/tiger DUMPFILE=scott.dmp DIRECTORY=dmpdir SCHEMAS=scott
or TABLES=(T1:P1,T1:P2), if T1 is partitioned table

USERID must be the first parameter on the command line.

Keyword Description (Default)
------------------------------------------------------------------------------
ATTACH Attach to existing job, e.g. ATTACH [=job name].
COMPRESSION Reduce size of dumpfile contents where valid
keyword values are: (METADATA_ONLY) and NONE.
CONTENT Specifies data to unload where the valid keywords are:
(ALL), DATA_ONLY, and METADATA_ONLY.
DIRECTORY Directory object to be used for dumpfiles and logfiles.
DUMPFILE List of destination dump files (expdat.dmp),
e.g. DUMPFILE=scott1.dmp, scott2.dmp, dmpdir:scott3.dmp.
ENCRYPTION_PASSWORD Password key for creating encrypted column data.
ESTIMATE Calculate job estimates where the valid keywords are:
(BLOCKS) and STATISTICS.
ESTIMATE_ONLY Calculate job estimates without performing the export.
EXCLUDE Exclude specific object types, e.g. EXCLUDE=TABLE:EMP.
FILESIZE Specify the size of each dumpfile in units of bytes.
FLASHBACK_SCN SCN used to set session snapshot back to.
FLASHBACK_TIME Time used to get the SCN closest to the specified time.
FULL Export entire database (N).
HELP Display Help messages (N).
INCLUDE Include specific object types, e.g. INCLUDE=TABLE_DATA.
JOB_NAME Name of export job to create.
LOGFILE Log file name (export.log).
NETWORK_LINK Name of remote database link to the source system.
NOLOGFILE Do not write logfile (N).
PARALLEL Change the number of active workers for current job.
PARFILE Specify parameter file.
QUERY Predicate clause used to export a subset of a table.
SAMPLE Percentage of data to be exported;
SCHEMAS List of schemas to export (login schema).
STATUS Frequency (secs) job status is to be monitored where
the default (0) will show new status when available.
TABLES Identifies a list of tables to export - one schema only.
TABLESPACES Identifies a list of tablespaces to export.
TRANSPORT_FULL_CHECK Verify storage segments of all tables (N).
TRANSPORT_TABLESPACES List of tablespaces from which metadata will be unloaded.
VERSION Version of objects to export where valid keywords are:
(COMPATIBLE), LATEST, or any valid database version.

The following commands are valid while in interactive mode.
Note: abbreviations are allowed

Command Description
------------------------------------------------------------------------------
ADD_FILE Add dumpfile to dumpfile set.
CONTINUE_CLIENT Return to logging mode. Job will be re-started if idle.
EXIT_CLIENT Quit client session and leave job running.
FILESIZE Default filesize (bytes) for subsequent ADD_FILE commands.
HELP Summarize interactive commands.
KILL_JOB Detach and delete job.
PARALLEL Change the number of active workers for current job.
PARALLEL=<number of workers>.
START_JOB Start/resume current job.
STATUS Frequency (secs) job status is to be monitored where
the default (0) will show new status when available.
STATUS[=interval]
STOP_JOB Orderly shutdown of job execution and exits the client.
STOP_JOB=IMMEDIATE performs an immediate shutdown of the
Data Pump job.
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