Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions,
see Getting Started with Amazon Web Services in China
(PDF).
You can achieve faster query processing in Babelfish using query hints and the PostgreSQL optimizer.
You can also improve the query performance using sp_babelfish_volatility procedure.
For more information, see sp_babelfish_volatility.
Using Babelfish features with limited implementation
Using explain plan to improve query performance