ADM 1370 Lecture Notes - Lecture 11: Management System, Data Integrity, Database

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Database: organized collection of data meant to facilitate one or more purposes. Serves many applications by centralizing data and controlling redundant data. Data: raw facts or observations that describe the characteristics of an entity. Data is typically organized to model relevant aspects of reality. Information: data converted into a meaningful and useful context. Information is organized so that it can be easily accessed, managed, and updated. No enterprise can be effective without high quality data that is accessible when needed. Data that"s incomplete or out of context cannot be trusted. Goal of data management: to provide the infrastructure and tools to transform raw data into usable information of the highest quality. The following are reasons as to why data management is dif cult and expensive: Data is created and used of ine without going through quality control checks. Data may be redundant and out-of-date, creating a huge maintenance problem.

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