ITM 309 Lecture Notes - Lecture 15: Business Intelligence, Sparty, Railways Act 1921

• School: MSU
• Department: Information Technology Mgmt
• Course: ITM 309
• Professor: Rodammer

Document Summary

Records: related fields with attributes and length. Integrated collection of logically related data elements: consolidates records into common pool of data elements, data is independent of application program and storage device. Understanding the costs of using low-quality information: potential business effects resulting from low quality information include. Information quality: characteristics of high-quality information, accurate, complete, consistent, unique, timely. Database maintains information about various types of objects (inventory), events (transactions), people (employees), and places (warehouses) Using a relational database for business advantages: increased flexibility, a well-designed database should. Physical view deals with the physical storage of information on a storage device: have multiple logical views. Logical view focuses on how individual users logically access information to meet their own particular business needs: increased scalability and performance, a database must scale to meet increased demand, while maintaining acceptable performance levels. Scalability refers to how well a system can adapt to increased demands.