I am storing image in SQL server 2008 R2 database in varBinary(max) column named: image1 which is of size 150*150. I have added another column named image2 varBinary(max) and i
As has been said in a few of the comments, SQL is a data storage system and is unable to edit your images.
I suggest that you perform a one-time update on the table using your preferred language (c# etc) fetching each image and resizing it before updating it back into the table.
Then from that point on ensure that any images inserted into the table are resized before they are inserted.