This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Check out the PreparedStatement API. In particular look at setBinaryStream(), setUnicodeStream(), and setAsciiStream() which can be used to convert a stream to a blob during an insert/update statement.