You need to save your picture as a BLOB.
Here’s a tutorial that shows you how to do it.
Have a good one!
If you decide that you wish to store blob data within the database the information that Joelle provided is a excellent resource.
However it is usually recommended to not store blob data within the database. Putting blob data within the database usually has a negative impact on database performance due to the extra load which is placed on the disk and the memory by SQL Server cashing the blob data in memory when it doesn’t need to. It is usually recommend that you place your blob data out side of the database on a file server and store just the path to the file within the database.