It is true that the work of E. F. Codd in the early 1970s led to the development of relational databases.
The relational model for database administration, which serves as the theoretical foundation for relational databases and relational database management systems, was created by English computer scientist Edgar Frank "Ted" Codd while he was employed by IBM.
A relational database makes it straightforward to view and understand how different data formats connect to one another by storing data in one or more tables (or "relations") of columns and rows. Relational databases use pre-established relationships to arrange data. All users will always view the exact same data thanks to a relational database model. Because everyone sees the same information, understanding is improved throughout the organization. By doing this, it is ensured that no one bases company judgments on outdated information.
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Answer:
Shortly after the conquests, Catholic missionaries—Jesuits until 1571, Franciscans and Dominicans after that—attempted to convert Native Americans to Christianity. ... This would be the first major successful Spanish Jesuit mission in the region.
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Unlike the New England and the middle colonies, the main reason people settled the southern colonies was to make money.
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The Fundamental Constitutions of Carolina sought to ensure the colony's stability by allotting political status by a settler's wealth upon arrival - making a semi-manorial system with a Council of Nobles and a plan to have small landholders defer to these nobles.
Scenario 1: conflict- A civilization may attack another civilization for resources that they do not own.
Scenario 2: cooperation- Both sides trade for something each other wants.
This meant that some kind of relationship will arise inbetween civilizations, either as allies, or as bitter enemies
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The best and most correct answer among the choices provided by your question is the first choice or letter A which states that "<span>The Portuguese and Spanish were the first Europeans to seek Africans slaves to work in their colonies."
</span>The transatlantic slave trade began during the 15th century<span> when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe.</span>
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