GGRC30H3 Chapter Notes - Chapter week 10: Database Server, Multitier Architecture, Transaction Processing
Document Summary
Spatial data split into two components: coordinate info that described object geometry and the attribute info (tubular data) that describe the nonspatial properties/characteristics of objects. Attribute info are entered, analyzed, and reported using a database management system, (dbms). The dbms stores the properties of geographic objects and relationships among the objects. A dbms is a computer program that allows you to work w/ data. A database is an organized collection of data, often created or manipulated w/ the help of a dbms. Dbmss are able to automatically reformat data to meet the viewing preferences of various users. Basic components of a traditional database are data items or attributes, the indivisible named units of data: suitable characteristics used to describe the features of interests. Items have a type and a domain that restrict the values they may take: types: define essential characteristics of an item (ex.
