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- Data_hierarchy abstract "Data hierarchy refers to the systematic organization of data, often in a hierarchical form. Data organization involves fields, records, files and so on.A data field holds a single fact or attribute of an entity. Consider a date field, e.g. "September 19, 2004". This can be treated as a single date field (e.g. birthdate), or 3 fields, namely, month, day of month and year.A record is a collection of related fields. An Employee record may contain a name field(s), address fields, birthdate field and so on.A file is a collection of related records. If there are 100 employees, then each employee would have a record (e.g. called Employee Personal Details record) and the collection of 100 such records would constitute a file (in this case, called Employee Personal Details file).Files are integrated into a database. This is done using a Database Management System. If there are other facets of employee data that we wish to capture, then other files such as Employee Training History file and Employee Work History file could be created as well.An illustration of the above description is shown in this diagram below.Data Hierarchy diagramThe following terms are for better clarity.With reference to the example in the above diagram.Data field label = Employee Name or EMP_NAMEData field value = Jeffrey TanThe above description is a view of data as understood by a user e.g. a person working in Human Resource Department.The above structure can be seen in the hierarchical model, which is one way to organize data in a database.In terms of data storage, data fields are made of bytes and these in turn are made up of bits.".
- Data_hierarchy thumbnail Data_Hierarchy_diagram_showing_Employee_database_example_by_JeffTan.gif?width=300.
- Data_hierarchy wikiPageID "998835".
- Data_hierarchy wikiPageLength "2711".
- Data_hierarchy wikiPageOutDegree "12".
- Data_hierarchy wikiPageRevisionID "680253601".
- Data_hierarchy wikiPageWikiLink Bit.
- Data_hierarchy wikiPageWikiLink Byte.
- Data_hierarchy wikiPageWikiLink Category:Data_modeling.
- Data_hierarchy wikiPageWikiLink Computer_file.
- Data_hierarchy wikiPageWikiLink Data_acquisition.
- Data_hierarchy wikiPageWikiLink Data_dictionary.
- Data_hierarchy wikiPageWikiLink Data_element.
- Data_hierarchy wikiPageWikiLink Database.
- Data_hierarchy wikiPageWikiLink Field_(computer_science).
- Data_hierarchy wikiPageWikiLink File:Data_Hierarchy_diagram_showing_Employee_database_example_by_JeffTan.gif.
- Data_hierarchy wikiPageWikiLink Hierarchical_database_model.
- Data_hierarchy wikiPageWikiLink Hierarchical_model.
- Data_hierarchy wikiPageWikiLink Record_(computer_science).
- Data_hierarchy wikiPageWikiLinkText "Data hierarchy".
- Data_hierarchy wikiPageWikiLinkText "data hierarchy".
- Data_hierarchy date "January 2015".
- Data_hierarchy hasPhotoCollection Data_hierarchy.
- Data_hierarchy reason "this disaster is not fit for Wikipedia the way it is".
- Data_hierarchy wikiPageUsesTemplate Template:Cleanup.
- Data_hierarchy wikiPageUsesTemplate Template:Clear.
- Data_hierarchy wikiPageUsesTemplate Template:Reflist.
- Data_hierarchy subject Category:Data_modeling.
- Data_hierarchy type Article.
- Data_hierarchy type Article.
- Data_hierarchy comment "Data hierarchy refers to the systematic organization of data, often in a hierarchical form. Data organization involves fields, records, files and so on.A data field holds a single fact or attribute of an entity. Consider a date field, e.g. "September 19, 2004". This can be treated as a single date field (e.g. birthdate), or 3 fields, namely, month, day of month and year.A record is a collection of related fields.".
- Data_hierarchy label "Data hierarchy".
- Data_hierarchy sameAs Datu_hierarhija.
- Data_hierarchy sameAs m.03xzzz.
- Data_hierarchy sameAs Q5227303.
- Data_hierarchy sameAs Q5227303.
- Data_hierarchy wasDerivedFrom Data_hierarchy?oldid=680253601.
- Data_hierarchy depiction Data_Hierarchy_diagram_showing_Employee_database_example_by_JeffTan.gif.
- Data_hierarchy isPrimaryTopicOf Data_hierarchy.
