Example: Retrieve binary data
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
The following query returns the product photo stored in a varbinary(max) type column. The BINARY BASE64 option is specified in the query to return the binary data in base64-encoded format.
Example
USE AdventureWorks2022;
GO
SELECT ProductPhotoID, ThumbNailPhoto
FROM Production.ProductPhoto
WHERE ProductPhotoID = 1
FOR XML RAW, BINARY BASE64;
GO
Expect the following result:
<row ProductModelID="1" ThumbNailPhoto="base64 encoded binary data"/>