Storage Of BLOBS

[varaha sridhar]

Hi,

I am mew for mysql.

I want to know that about BLOB storage.
1. Where the Blob data will store. (Ex: im SQL server it will store in the database) but in mysql where it going to store?
2. How can we insert data into Blob in mysql and in which format it will store?
3. After storing the bolb data how can i update the blob column (Ex: how to find the exact data)
4. How can i delete the blob data.


Thanks
Varaha Sridhar