But in this output SQLAlchemy is using `VARCHAR` instead. Let's see what's going on.
-Remember that [each SQL Database has some different variations in what they support?](../databases/#sql-the-language){.internal-link target=_blank}
+Remember that [each SQL Database has some different variations in what they support?](../databases.md#sql-the-language){.internal-link target=_blank}
This is one of the differences. Each database supports some particular **data types**, like `INTEGER` and `TEXT`.