ITM 500 Chapter Notes - Chapter 1: Database, Cloud Database, Database Security
1 Feb 2018
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Document Summary
Why databases: data is ubiquitous (everywhere) and pervasive (unescapable, databases are the best way to store and manage data; persistent and shareable in a secure way. Data: raw facts, or facts that have not been processed yet to reveal their meaning to the end user: building blocks of information, must be properly formatted for storage, processing and presentation. Information: the result of processing raw data to reveal its meaning. Information consists of transformed data and facilities decision making: requires context, bedrock of knowledge, should be accurate, relevant and timely to enable good decision making. Knowledge: the body of information and facts about a specific subject. Knowledge implies familiarity, awareness and understanding of information as it applies to an environment: new knowledge can be deprived from old knowledge. Database management: a process that focuses on a data collection, storage and retrieval: common data management functions include addition, deletion, modification and listing.
