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UNT BCIS 4610 Question and answers already passed 2024 R252,67   Add to cart
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UNT BCIS 4610 Question and answers already passed 2024

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UNT BCIS 4610 Question and answers already passed 2024 UNT BCIS 4610 - Ch.9 Primary key - correct answer an attribute (or combination of attributes) whose value is unique across all occurrences of a relation Relational database model - correct answer data represented as a set of related ...

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  • September 4, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • unt bcis 4610
  • unt bcis 4610 question and answers already passed

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UNT BCIS 4610 - Ch.9
Primary key - correct answer ✔an attribute (or combination of attributes)
whose value is unique across all occurrences of a relation


Relational database model - correct answer ✔data represented as a set of
related tables or relations


Relation - correct answer ✔a named, two-dimensional table of data; each
relation consists of a set of named columns and an arbitrary number of
unnamed rows


Well-structured relation - correct answer ✔a relation that contains a minimum
amount of redundancy and that allows users to insert, modify, and delete the
rows without error or inconsistencies; a table


Noramlization - correct answer ✔the process of converting complex data
structures into simple, stable data structures


Functional dependency - correct answer ✔a constraint between two
attributes in which the value of one attribute is determined by the value of
another attribute


Second normal form (2NF) - correct answer ✔a relation is in second normal
form if every nonprimary key attribute is functionally dependent on the whole
primary ket


Third normal form (3NF) - correct answer ✔a relation is in second normal
form and has no functional (transitive) dependencies between two (or more)
nonprimary key attributes

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