Advantage of the import and export of datapump during the first export and import

Hello

Let me know the advantage of datapump export (expdm) and (impdm) on export (exp) import and import (imp) of origin.

Hello

Let me know the advantage of datapump export (expdm) and (impdm) on export (exp) import and import (imp) of origin.

There are many advantages over the use of DATAPUMP.

For example, to INCLUDE / EXCLUDE the settings you can filter exactly what object and / or type you intend to export or import. Which is not easy with the Original Export / Import (with the exception of Tables, indexes, constraints,...).

You can import directly in to a NETWORK_LINK without using a Dump.

You have many interesting features like COMPRESSION, FLASHBACK_SCN / _TIME *,...

You can use the API in PL/SQL to perform your export / import instead of using the command line Interface.

Increasingly, the DATAPUMP is much more optimized than the Original Export/Import and use path Direct or external Tables,... and what to say about REMAP_ % settings that allow you to rename files of data, schema, storage...

There are a lot of things to tell about DATAPUMP. You will find an overview of this tool very good on the following links:

http://www.Oracle-base.com/articles/10G/OracleDataPump10g.php

http://www.Oracle-base.com/articles/11g/DataPumpEnhancements_11gR1.php

Hope this helps.
Best regards
Jean Valentine

Tags: Database

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