Monday, May 25, 2020

Managing Data Resources On A Traditional File Environment...

6-1. What are the problems of managing data resources in a traditional file environment? ï  ¬ List and describe each of the components in the data hierarchy. According to the book, we know the data hierarchy include bits, bytes, fields, records, files, and databases. The computer system organizes data in a hierarchy that starts with the bit, which represents either a 0 or a 1. A byte is formed with many bits; it represents on character, number, or symbol. A field is formed with many bytes. A record is formed with many related fields. A file is formed with many related records. A database is formed with many related files. (Laudon Laudon, 2016, p 219.) ï  ¬ Define and explain the significance of entities, attributes, and key fields. An entity can be described by a record. An entity is a person, place, thing, or event on which we store and maintain information. An attribute is the particular entity which be used to describe each characteristic or quality. (Laudon Laudon, 2016, p 218.) The key field is a field which could help system to uniquely identify each record so that the record could be retrieved, updated, or sorted. (Laudon Laudon, 2016, p 223.) ï  ¬ List and describe the problems of the traditional file environment. 1. Data redundancy and inconsistency. Data redundancy is the presence of duplicate data in many data files, that means the same data could be stored in many places. Data inconsistency means the same attribute might have different value in differentShow MoreRelatedNetwork Bandwidth And Data Upload Time1238 Words   |  5 Pagesnetwork bandwidth and data upload time, several security threats are associated with it. These threats have to be addressed in order to reap the full potential of client-side deduplication. Halevi et al. [3] identified various threats that affect a remote storage system that implements client-side deduplication. 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