# Low-level connections
The `NominatimAPIAsync` class allows to directly access the underlying
-database connection to explore the data more directly. Nominatim uses
+database connection to explore the raw data. Nominatim uses
[SQLAlchemy](https://docs.sqlalchemy.org/) for building queries. Please
refer to the documentation of the library to understand how to write SQL.
To get access to a search connection, use the `begin()` function of your
-API object. The function returns a context manager. Use with a `with`
-statement. This returns a `SearchConnection` object described below. Its
+API object. This returns a `SearchConnection` object described below
+wrapped in a context manager. Its
`t` property has definitions for all Nominatim search tables. For an
overview of available tables, refer to the
[Development Layout](../develop/Database-Layout.md) in in the development