ora2pg 11.4 修复很多跟移植消耗估计相关的主要问题，请立即更新。
Ora2pg可以用来将Oracle数据库转换成PostgreSQL，主要功能：
- Export full database schema (tables, views, sequences, indexes), with unique, primary, foreign key and check constraints.
- Export grants/privileges for users and groups.
- Export a table selection (by specifying the table names).
- Export Oracle schema to a PostgreSQL 7.3+ schema.
- Export predefined functions, triggers, procedures, packages and package bodies.
- Export range and list Oracle partition.
- Export full datas or following a WHERE clause.
- Full support of Oracle BLOB object as PG BYTEA.
- Export Oracle views as PG tables.
- Export Oracle user defined types.
- Provide basic help for converting PLSQL code to PLPGSQL (still needs manual work).
- Works on any plateform.
项目主页：http://ora2pg.darold.net/
下载地址：http://sourceforge.net/projects/ora2pg/
来自:开源中国社区
