Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
database model
Directory
References
Discover
Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.
12 Greek Gods and Goddesses
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?
Click on image for enlargements of panel sections. The Ghent Altarpiece (open view) by Jan and Hubert van Eyck, 1432, polyptych with 12 panels, oil on panel; in the Cathedral of Saint-Bavon, Ghent, Belg.
The Most Stolen Work of Art
Statue of Nostradamus
Nostradamus and His Prophecies
Secret Service Agent Listens To Earpiece
Secret Service Code Names of 11 U.S. Presidents
Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.
5 Remarkably Close U.S. Presidential Elections
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression

database model

computer science

Learn about this topic in these articles:

computer science

  • laptop computer
    In computer science: Information management

    …hence the need for a database model emerges. Historically, three different types of database models have been developed to support the linkage of records of different types: (1) the hierarchical model, in which record types are linked in a treelike structure (e.g., employee records might be grouped under records describing…

    Read More