Lesson 3 Saving and Retrieving BLOB Values in a Database

This lesson describes how to work with BLOBs (binary large objects) using Command objects. BLOBs in a database are more complex than simple strings containing names and addresses or numeric values containing integers or money values. BLOBs are things like graphics and photos, documents saved in binary formats, and even complete assemblies or executables that you want to store in a database. Unlike running queries or stored procedures that return "simple" data types, working with binary objects is a little more complex.

After this lesson, you will be able to:

■ Obtain BLOB values from a database using a DataReader object. Estimated lesson time: 45 minutes

Was this article helpful?

0 0

Post a comment