Data Pump Import (invoked with the impdp command) is a new utility as of Oracle This parameter is valid only in the Enterprise Edition of Oracle Database 10g. . expdp SYSTEM/password SCHEMAS=hr DIRECTORY=dpump_dir1. Either run IMP once OR export the 10 schemas to 10 separate files, and imp the 10 2) yes, that is what it is programmed to do (impdp – datapump – is more. For example, if one database is Oracle Database 12c, then the other database must be 12c, 11g, or 10g. Note that Data Pump checks only the major version.

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There is no option to merge extents when you re-create tables. For example, impvp one database is Oracle Database 12 cthen the other database must be 12 c11 gor 10 g. Oracle Database Administrator’s Guide for information about creating a database. Export and import nonschema-based objects such as tablespace and schema definitions, system privilege grants, resource plans, and so forth.

Exporting and Importing Between Different Database Releases

The SQL statement to do this, which requires privileges, is: If no object type is specified then the transform applies to all valid object types. Situations in Which Direct Path Unload Is Not Used If any of the following conditions exist for a table, Data Pump uses the external table method to unload data, rather than direct path: The failing statement is skipped and the job is restarted from the next work item.

One of the most significant characteristics of oracke import operation is its mode, because the mode largely determines what is imported. For example, if you imodp running Oracle Database 12c Release 1 On a fresh database with sys, system, dbsnmp users, However, the dump file set will not contain any objects that the older database imdpp does not support.


The ability to estimate how much space an export job would consume, without actually performing the export. Loading tables with global or domain indexes defined on them, including partitioned object tables. Example Kmpdp a Schema-Mode Import.

The reason that a directory object is required is to ensure data security and integrity.

Overview of Oracle Data Pump

On a Data Pump export, if you specify a database version that is older than the current database version, then a dump file set is created that you can import into that older version of the database. What schemas should I leave in the database? However, some tasks that were incomplete at the time of shutdown may have to be redone at restart time.

If supplied, it designates the object type to which the transform will be applied. If the current database is available to users for updates oeacle the export, then, before making the current database available, put procedures in place to sxpdp the changes made in the current database to the new database after the import is complete. If indexes used to enforce constraints are marked unusable, then the data is not imported into that table.

Database compatibility must be set to 9.


Enables you exldp filter the metadata that is oravle by specifying objects and object types that you want to exclude from the import job. The hr schema is imported from the expdat. The available modes are as follows:. You may also refer to support note ID SKIP leaves the table as is and moves on to the next object. If a schema and table are not supplied, the query is applied to and must be valid for all tables in the source dump file set or database.


Most of the restrictions that exist for character set conversions in the original Import utility do not apply to Data Pump.

If the new database is created on the same computer as the source database, and you impcp not want to overwrite the source database data files, then you must pre-create the tablespaces and specify an option when you import: I have been peeking at AskTom site for several years, but this was the 1st time I asked a question – Ironically this after Dear Tom has already “retired”: At the end of an export job, the content of the master table is written to a file in expvp dump otacle set.

The ability, in an import job, to change the name of the source datafile to a different name in all DDL statements where the source datafile is referenced. April 20, – 4: Any existing file that has a name matching the one specified with this parameter is overwritten.

Data Pump Import only works with Oracle Database 10 g release 1 The following example invokes Import for user hrusing the connect descriptor named inst1: Specifies the names and optionally, ezpdp directory objects of the dump file set that was created by Export.