DatabaseSpy is a multi-database query, design, and database comparison tool from Altova, the creator of XMLSpy.

DatabaseSpy automatically adjusts to variations in SQL dialects and data type definitions of supported relational databases.

DatabaseSpy connects to the following major database types:[1] From its initial release in September 2006, users have recognized the benefits of using a single tool with a consistent user interface to multiple databases to perform routine tasks such as querying or modifying tables.

[2][3][4] The use of a common graphical interface to connect to multiple databases, possibly across different platforms, is cited as a valuable feature.

[5] DatabaseSpy is a licensed software product that uses key protection to prevent unlicensed usage.