在「How to Migrate from Microsoft SQL Server to PostgreSQL」這邊看到作者的客戶需要把 Microsoft SQL Server 轉移到 PostgreSQL (但沒有提到原因)。
Migration tool to convert a Microsoft SQL Server Database into a PostgreSQL database, as automatically as possible http://dalibo.github.io/sqlserver2pgsql
第二個階段是資料的轉換，是選擇用 Pentaho Data Integration 的 Community Edition：
Pentaho offers various stable data-centric products. Pentaho Data Integration (PDI) is an ETL tool which provides great support for migrating data between different databases without manual intervention. The community edition of PDI is good enough to perform our task here. It needs to establish a connection to both the source and destination databases. Then it will do the rest of work on migrating data from SQL server to Postgres database by executing a PDI job.
所以用兩個工具串起來... 另外在文章裡面沒提到 stored procedure 之類的問題，應該是他們的客戶沒用到或是很少用到？