# Working with Babelfish
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Following, you can find usage information for Babelfish, including some of the differences between working with Babelfish and SQL Server, and between Babelfish and PostgreSQL databases. 

**Topics**
+ [Getting information from the Babelfish system catalog](babelfish-query-database.md)
+ [Managing permissions and access control in Babelfish for Aurora PostgreSQL](babelfish-permissions.md)
+ [Differences between Babelfish for Aurora PostgreSQL and SQL Server](babelfish-compatibility.md)
+ [Using Babelfish features with limited implementation](babelfish-compatibility.tsql.limited-implementation.md)
+ [Improving Babelfish query performance](babelfish-query-performance.md)
+ [Using Aurora PostgreSQL extensions with Babelfish](babelfish-postgres-aws-extensions.md)
+ [Babelfish supports linked servers](babelfish-postgres-linkedservers.md)
+ [Using Full Text Search in Babelfish](babelfish-postgres-fulltextsearch.md)
+ [Babelfish supports Geospatial data types](babelfish-geospatial.md)
+ [Understanding partitioning in Babelfish](babelfish-partition.md)