Final answer:
The data type you select for a profile picture in your database is Blob (Binary Large Object).
Step-by-step explanation:
When you have a profile picture in your database, the data type you would select is Blob (Binary Large Object). A Blob data type is used to store large amounts of binary data, such as images or files. By selecting Blob as the data type for a profile picture, you can store the image data directly in the database.