MGMT 136 Lecture Notes - Lecture 7: Database Administrator, Unstructured Data, Data Dictionary
Document Summary
Systematically record data, provide convenient and useful formats, easy access to info. Database: collection of organized data used by many different computer applications and manipulated by database management systems (dbms) Critical information stored in a db is often an organization"s most valuable asset. Distribution db duplicated in local or regional as processing needs dictate. Privacy critical for controls to be in place to protect unauthorized access. Irreplaceable data repository for all transactions, data and is critical that this information is secured. Need for accuracy data stored in db must be complete, comprehensive, and accurate. Internet uses internet applications often store online product orders, airline reservations, student registration data, credit card info. Big data data of such great volume cannot be captured, stored and analyzed by traditional db"s. Organization in ascending order: data field, record, file, database: record structures. Data fields in each record of a database table: database keys.
