|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||1 days ago||83.54||$52.37||You save $31.17|
|Amazon US||2 days ago||65.46||$52.37||You save $13.09|
C.J. Date has a stature that is unique within the database industry. C.J. is a prolific writer, and is well-known for his best-selling textbook: An Introduction to Database Systems (Addison Wesley). C.J. is an exceptionally clear-thinking writer who can lay out principles and theory in a way easily understood by his audience.