C:\Windows\System32>expdp help=y
C:\Windows\System32>impdp help=y
C:\Windows\System32>exp help=y
C:\Windows\System32>imp help=y
Example:
C:\Windows\System32>expdp help=y
Export: Release 19.0.0.0.0 - Production on Thu Mar 7 18:46:00 2024
Version 19.16.0.0.0
Copyright (c) 1982, 2022, Oracle and/or its affiliates. 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.
------------------------------------------------------------------------------
The available keywords and their descriptions follow. Default values are listed within square brackets.
ABORT_STEP
Stop the job after it is initialized or at the indicated object.
Valid values are -1 or N where N is zero or greater.
N corresponds to the object's process order number in the master table.
ACCESS_METHOD
Instructs Export to use a particular method to unload data.
Valid keyword values are: [AUTOMATIC], DIRECT_PATH and EXTERNAL_TABLE.
ATTACH
Attach to an existing job.
For example, ATTACH=job_name.
CLUSTER
Utilize cluster resources and distribute workers across the Oracle RAC [YES].
COMPRESSION
Reduce the size of a dump file.
Valid keyword values are: ALL, DATA_ONLY, [METADATA_ONLY] and NONE.
COMPRESSION_ALGORITHM
Specify the compression algorithm that should be used.
Valid keyword values are: [BASIC], LOW, MEDIUM and HIGH.
CONTENT
Specifies data to unload.
Valid keyword values are: [ALL], DATA_ONLY and METADATA_ONLY.
DATA_OPTIONS
Data layer option flags.
Valid keyword values are: GROUP_PARTITION_TABLE_DATA, VERIFY_STREAM_FORMAT and XML_CLOBS.
DIRECTORY
Directory object to be used for dump and log files.
DUMPFILE
Specify list of destination dump file names [expdat.dmp].
For example, DUMPFILE=scott1.dmp, scott2.dmp, dmpdir:scott3.dmp.
ENCRYPTION
Encrypt part or all of a dump file.
Valid keyword values are: ALL, DATA_ONLY, ENCRYPTED_COLUMNS_ONLY, METADATA_ONLY and NONE.
ENCRYPTION_ALGORITHM
Specify how encryption should be done.
Valid keyword values are: [AES128], AES192 and AES256.
ENCRYPTION_MODE
Method of generating encryption key.
Valid keyword values are: DUAL, PASSWORD and [TRANSPARENT].
ENCRYPTION_PASSWORD
Password key for creating encrypted data within a dump file.
ENCRYPTION_PWD_PROMPT
Specifies whether to prompt for the encryption password [NO].
Terminal echo will be suppressed while standard input is read.
ESTIMATE
Calculate job estimates.
Valid keyword values are: [BLOCKS] and STATISTICS.
ESTIMATE_ONLY
Calculate job estimates without performing the export [NO].
EXCLUDE
Exclude specific object types.
For example, EXCLUDE=SCHEMA:"='HR'".
FILESIZE
Specify the size of each dump file in units of bytes.
FLASHBACK_SCN
SCN used to reset session snapshot.
FLASHBACK_TIME
Time used to find the closest corresponding SCN value.
FULL
Export entire database [NO].
HELP
Display Help messages [NO].
INCLUDE
Include specific object types.
For example, INCLUDE=TABLE_DATA.
JOB_NAME
Name of export job to create.
KEEP_MASTER
Retain the master table after an export job that completes successfully [NO].
LOGFILE
Specify log file name [export.log].
LOGTIME
Specifies that messages displayed during export operations be timestamped.
Valid keyword values are: ALL, [NONE], LOGFILE and STATUS.
METRICS
Report additional job information to the export log file [NO].
NETWORK_LINK
Name of remote database link to the source system.
NOLOGFILE
Do not write log file [NO].
PARALLEL
Change the number of active workers for current job.
PARFILE
Specify parameter file name.
QUERY
Predicate clause used to export a subset of a table.
For example, QUERY=employees:"WHERE department_id > 10".
REMAP_DATA
Specify a data conversion function.
For example, REMAP_DATA=EMP.EMPNO:REMAPPKG.EMPNO.
REUSE_DUMPFILES
Overwrite destination dump file if it exists [NO].
SAMPLE
Percentage of data to be exported.
SCHEMAS
List of schemas to export [login schema].
SERVICE_NAME
Name of an active Service and associated resource group to constrain Oracle RAC resources.
SOURCE_EDITION
Edition to be used for extracting metadata.
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.
For example, TABLES=HR.EMPLOYEES,SH.SALES:SALES_1995.
TABLESPACES
Identifies a list of tablespaces to export.
TRANSPORTABLE
Specify whether transportable method can be used.
Valid keyword values are: ALWAYS and [NEVER].
TRANSPORT_FULL_CHECK
Verify storage segments of all tables [NO].
TRANSPORT_TABLESPACES
List of tablespaces from which metadata will be unloaded.
VERSION
Version of objects to export.
Valid keyword values are: [COMPATIBLE], LATEST or any valid database version.
VIEWS_AS_TABLES
Identifies one or more views to be exported as tables.
For example, VIEWS_AS_TABLES=HR.EMP_DETAILS_VIEW.
------------------------------------------------------------------------------
The following commands are valid while in interactive mode.
Note: abbreviations are allowed.
ADD_FILE
Add dumpfile to dumpfile set.
CONTINUE_CLIENT
Return to logging mode. Job will be restarted 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.
REUSE_DUMPFILES
Overwrite destination dump file if it exists [NO].
START_JOB
Start or resume current job.
Valid keyword values are: SKIP_CURRENT.
STATUS
Frequency (secs) job status is to be monitored where
the default [0] will show new status when available.
STOP_JOB
Orderly shutdown of job execution and exits the client.
Valid keyword values are: IMMEDIATE.
STOP_WORKER
Stops a hung or stuck worker.
TRACE
Set trace/debug flags for the current job.
C:\Windows\System32>impdp help=y
Import: Release 19.0.0.0.0 - Production on Thu Mar 7 18:47:13 2024
Version 19.16.0.0.0
Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved.
The Data Pump Import utility provides a mechanism for transferring data objects
between Oracle databases. The utility is invoked with the following command:
Example: impdp scott/tiger DIRECTORY=dmpdir DUMPFILE=scott.dmp
You can control how Import runs by entering the 'impdp' command followed
by various parameters. To specify parameters, you use keywords:
Format: impdp KEYWORD=value or KEYWORD=(value1,value2,...,valueN)
Example: impdp scott/tiger DIRECTORY=dmpdir DUMPFILE=scott.dmp
USERID must be the first parameter on the command line.
------------------------------------------------------------------------------
The available keywords and their descriptions follow. Default values are listed within square brackets.
ABORT_STEP
Stop the job after it is initialized or at the indicated object.
Valid values are -1 or N where N is zero or greater.
N corresponds to the object's process order number in the master table.
ACCESS_METHOD
Instructs Import to use a particular method to load data.
Valid keyword values are: [AUTOMATIC], CONVENTIONAL, DIRECT_PATH,
EXTERNAL_TABLE, and INSERT_AS_SELECT.
ATTACH
Attach to an existing job.
For example, ATTACH=job_name.
CLUSTER
Utilize cluster resources and distribute workers across the Oracle RAC [YES].
CONTENT
Specifies data to load.
Valid keywords are: [ALL], DATA_ONLY and METADATA_ONLY.
DATA_OPTIONS
Data layer option flags.
Valid keywords are: DISABLE_APPEND_HINT, ENABLE_NETWORK_COMPRESSION,
REJECT_ROWS_WITH_REPL_CHAR, SKIP_CONSTRAINT_ERRORS, CONTINUE_LOAD_ON_FORMAT_ERROR,
TRUST_EXISTING_TABLE_PARTITIONS and VALIDATE_TABLE_DATA.
DIRECTORY
Directory object to be used for dump, log and SQL files.
DUMPFILE
List of dump files to import from [expdat.dmp].
For example, DUMPFILE=scott1.dmp, scott2.dmp, dmpdir:scott3.dmp.
ENCRYPTION_PASSWORD
Password key for accessing encrypted data within a dump file.
Not valid for network import jobs.
ENCRYPTION_PWD_PROMPT
Specifies whether to prompt for the encryption password [NO].
Terminal echo is suppressed while standard input is read.
ESTIMATE
Calculate network job estimates.
Valid keywords are: [BLOCKS] and STATISTICS.
EXCLUDE
Exclude specific object types.
For example, EXCLUDE=SCHEMA:"='HR'".
FLASHBACK_SCN
SCN used to reset session snapshot.
FLASHBACK_TIME
Time used to find the closest corresponding SCN value.
FULL
Import everything from source [YES].
HELP
Display help messages [NO].
INCLUDE
Include specific object types.
For example, INCLUDE=TABLE_DATA.
JOB_NAME
Name of import job to create.
KEEP_MASTER
Retain the master table after an import job that completes successfully [NO].
LOGFILE
Log file name [import.log].
LOGTIME
Specifies that messages displayed during import operations be timestamped.
Valid keyword values are: ALL, [NONE], LOGFILE and STATUS.
MASTER_ONLY
Import just the master table and then stop the job [NO].
METRICS
Report additional job information to the import log file [NO].
NETWORK_LINK
Name of remote database link to the source system.
NOLOGFILE
Do not write log file [NO].
PARALLEL
Change the number of active workers for current job.
PARFILE
Specify parameter file.
PARTITION_OPTIONS
Specify how partitions should be transformed.
Valid keywords are: DEPARTITION, MERGE and [NONE].
QUERY
Predicate clause used to import a subset of a table.
For example, QUERY=employees:"WHERE department_id > 10".
REMAP_DATA
Specify a data conversion function.
For example, REMAP_DATA=EMP.EMPNO:REMAPPKG.EMPNO.
REMAP_DATAFILE
Redefine data file references in all DDL statements.
REMAP_SCHEMA
Objects from one schema are loaded into another schema.
REMAP_TABLE
Table names are remapped to another table.
For example, REMAP_TABLE=HR.EMPLOYEES:EMPS.
REMAP_TABLESPACE
Tablespace objects are remapped to another tablespace.
REUSE_DATAFILES
Tablespace will be initialized if it already exists [NO].
SCHEMAS
List of schemas to import.
SERVICE_NAME
Name of an active service and associated resource group to constrain Oracle RAC resources.
SKIP_UNUSABLE_INDEXES
Skip indexes that were set to the Index Unusable state.
SOURCE_EDITION
Edition to be used for extracting metadata.
SQLFILE
Write all the SQL DDL to a specified file.
STATUS
Frequency (secs) job status is to be monitored where
the default [0] will show new status when available.
STREAMS_CONFIGURATION
Enable the loading of Streams metadata [YES].
TABLE_EXISTS_ACTION
Action to take if imported object already exists.
Valid keywords are: APPEND, REPLACE, [SKIP] and TRUNCATE.
TABLES
Identifies a list of tables to import.
For example, TABLES=HR.EMPLOYEES,SH.SALES:SALES_1995.
TABLESPACES
Identifies a list of tablespaces to import.
TARGET_EDITION
Edition to be used for loading metadata.
TRANSFORM
Metadata transform to apply to applicable objects.
Valid keywords are: DISABLE_ARCHIVE_LOGGING, INMEMORY, INMEMORY_CLAUSE,
LOB_STORAGE, OID, PCTSPACE, SEGMENT_ATTRIBUTES, SEGMENT_CREATION,
STORAGE, and TABLE_COMPRESSION_CLAUSE.
TRANSPORTABLE
Options for choosing transportable data movement.
Valid keywords are: ALWAYS and [NEVER].
Only valid in NETWORK_LINK mode import operations.
TRANSPORT_DATAFILES
List of data files to be imported by transportable mode.
TRANSPORT_FULL_CHECK
Verify storage segments of all tables [NO].
Only valid in NETWORK_LINK mode import operations.
TRANSPORT_TABLESPACES
List of tablespaces from which metadata is loaded.
Only valid in NETWORK_LINK mode import operations.
VERSION
Version of objects to import.
Valid keywords are: [COMPATIBLE], LATEST, or any valid database version.
Only valid for NETWORK_LINK and SQLFILE.
VIEWS_AS_TABLES
Identifies one or more views to be imported as tables.
For example, VIEWS_AS_TABLES=HR.EMP_DETAILS_VIEW.
Note that in network import mode, a table name is appended
to the view name.
------------------------------------------------------------------------------
The following commands are valid while in interactive mode.
Note: abbreviations are allowed.
CONTINUE_CLIENT
Return to logging mode. Job will be restarted if idle.
EXIT_CLIENT
Quit client session and leave job running.
HELP
Summarize interactive commands.
KILL_JOB
Detach and delete job.
PARALLEL
Change the number of active workers for current job.
START_JOB
Start or resume current job.
Valid keywords are: SKIP_CURRENT.
STATUS
Frequency (secs) job status is to be monitored where
the default [0] will show new status when available.
STOP_JOB
Orderly shutdown of job execution and exits the client.
Valid keywords are: IMMEDIATE.
STOP_WORKER
Stops a hung or stuck worker.
TRACE
Set trace/debug flags for the current job.
C:\Windows\System32>exp help=y
Export: Release 19.0.0.0.0 - Production on Thu Mar 7 18:48:00 2024
Version 19.16.0.0.0
Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved.
You can let Export prompt you for parameters by entering the EXP
command followed by your username/password:
Example: EXP SCOTT/TIGER
Or, you can control how Export runs by entering the EXP command followed
by various arguments. To specify parameters, you use keywords:
Format: EXP KEYWORD=value or KEYWORD=(value1,value2,...,valueN)
Example: EXP SCOTT/TIGER GRANTS=Y TABLES=(EMP,DEPT,MGR)
or TABLES=(T1:P1,T1:P2), if T1 is partitioned table
USERID must be the first parameter on the command line.
Keyword Description (Default) Keyword Description (Default)
--------------------------------------------------------------------------
USERID username/password FULL export entire file (N)
BUFFER size of data buffer OWNER list of owner usernames
FILE output files (EXPDAT.DMP) TABLES list of table names
COMPRESS import into one extent (Y) RECORDLENGTH length of IO record
GRANTS export grants (Y) INCTYPE incremental export type
INDEXES export indexes (Y) RECORD track incr. export (Y)
DIRECT direct path (N) TRIGGERS export triggers (Y)
LOG log file of screen output STATISTICS analyze objects (ESTIMATE)
ROWS export data rows (Y) PARFILE parameter filename
CONSISTENT cross-table consistency(N) CONSTRAINTS export constraints (Y)
OBJECT_CONSISTENT transaction set to read only during object export (N)
FEEDBACK display progress every x rows (0)
FILESIZE maximum size of each dump file
FLASHBACK_SCN SCN used to set session snapshot back to
FLASHBACK_TIME time used to get the SCN closest to the specified time
QUERY select clause used to export a subset of a table
RESUMABLE suspend when a space related error is encountered(N)
RESUMABLE_NAME text string used to identify resumable statement
RESUMABLE_TIMEOUT wait time for RESUMABLE
TTS_FULL_CHECK perform full or partial dependency check for TTS
TABLESPACES list of tablespaces to export
TRANSPORT_TABLESPACE export transportable tablespace metadata (N)
TEMPLATE template name which invokes iAS mode export
Export terminated successfully without warnings.
C:\Windows\System32>imp help=y
Import: Release 19.0.0.0.0 - Production on Thu Mar 7 18:48:48 2024
Version 19.16.0.0.0
Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved.
You can let Import prompt you for parameters by entering the IMP
command followed by your username/password:
Example: IMP SCOTT/TIGER
Or, you can control how Import runs by entering the IMP command followed
by various arguments. To specify parameters, you use keywords:
Format: IMP KEYWORD=value or KEYWORD=(value1,value2,...,valueN)
Example: IMP SCOTT/TIGER IGNORE=Y TABLES=(EMP,DEPT) FULL=N
or TABLES=(T1:P1,T1:P2), if T1 is partitioned table
USERID must be the first parameter on the command line.
Keyword Description (Default) Keyword Description (Default)
--------------------------------------------------------------------------
USERID username/password FULL import entire file (N)
BUFFER size of data buffer FROMUSER list of owner usernames
FILE input files (EXPDAT.DMP) TOUSER list of usernames
SHOW just list file contents (N) TABLES list of table names
IGNORE ignore create errors (N) RECORDLENGTH length of IO record
GRANTS import grants (Y) INCTYPE incremental import type
INDEXES import indexes (Y) COMMIT commit array insert (N)
ROWS import data rows (Y) PARFILE parameter filename
LOG log file of screen output CONSTRAINTS import constraints (Y)
DESTROY overwrite tablespace data file (N)
INDEXFILE write table/index info to specified file
SKIP_UNUSABLE_INDEXES skip maintenance of unusable indexes (N)
FEEDBACK display progress every x rows(0)
TOID_NOVALIDATE skip validation of specified type ids
FILESIZE maximum size of each dump file
STATISTICS import precomputed statistics (always)
RESUMABLE suspend when a space related error is encountered(N)
RESUMABLE_NAME text string used to identify resumable statement
RESUMABLE_TIMEOUT wait time for RESUMABLE
COMPILE compile procedures, packages, and functions (Y)
STREAMS_CONFIGURATION import streams general metadata (Y)
STREAMS_INSTANTIATION import streams instantiation metadata (N)
DATA_ONLY import only data (N)
The following keywords only apply to transportable tablespaces
TRANSPORT_TABLESPACE import transportable tablespace metadata (N)
TABLESPACES tablespaces to be transported into database
DATAFILES datafiles to be transported into database
TTS_OWNERS users that own data in the transportable tablespace set
Import terminated successfully without warnings.
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