Type "use MySQL-Database" where "MySQL-Database" is the name of the database containing the table into which you want to insert a string.

How to Insert a Form Into MySQL. If you capture any kind of data from website visitors, such as customer data or order information, you have to store the data in a file or a database to retrieve ...

The test image I am using is only ~150k, so I don't think the problem is with size. Also, I print out the value immediately before I insert it into the DB and it gives the expected binary garbage.