May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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Using ora2pg to migrate from Oracle
People migrated from Oracle to PostgreSQL long before foreign data wrappers existed. High license costs have plagued people for a long time, and so moving to PostgreSQL has been a natural thing to do for many years.
The alternative to oracle_fdw extension is something called ora2pg, which has been around for many years and which can be downloaded freely from https://github.com/darold/ora2pg. Ora2pg has been written in Perl and has a long tradition of new releases.
The features provided by ora2pg are stunning:
- Migration of the full database schema including tables, views, sequences, and indexes (unique, primary, foreign key, and check constraints).
- Migration of privileges for users and groups.
- Migration ...
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