MIST 4610 Quiz 3 Question and answers already passed 2024
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MIST 4610
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MIST 4610
MIST 4610 Quiz 3 Question and answers already passed 2024 MIST 4610 Quiz 3
SQL JOIN - correct answer A sql join clause combines rows from 2 or more database tables into a single table
It locates related column values in the 2 tables
A query can contain zero, one, or multiple JOIN operat...
MIST 4610 Quiz 3
SQL JOIN - correct answer ✔A sql join clause combines rows from 2 or
more database tables into a single table
It locates related column values in the 2 tables
A query can contain zero, one, or multiple JOIN operations
(INNER) JOIN - correct answer ✔Select records that have matching values
in both tables
LEFT (OUTER) JOIN - correct answer ✔Select records from the first (left)
table with matching records from right table
RIGHT (OUTER) JOIN - correct answer ✔Select records from the second
(right) table with matching records from the left table
FULL (OUTER) JOIN - correct answer ✔Selects all records that match either
left or right table records
SELECT * FROM Employees
RIGHT JOIN Customers ON Customers.salesRepEmployeeNumber =
Employees.employeeNumber;
This query would display all the data for which table? - correct answer
✔Customers
, Normalization - correct answer ✔An alternative database design tool to data
modeling
A theoretical foundation for the relational model
Application of a series of rules that gradually improve the design
Functional Dependency - correct answer ✔The value of one attribute (the
determinant) determines the value of another attribute
Full functional dependency - correct answer ✔if attribute B is functionally
dependent on a composite key A but not on any subset of that composite key,
then attribute B is fully functionally dependent on A
ex. yield is dependent on stock dividend and stock price
multidetermination - correct answer ✔A given value can determine multiple
values
means functional dependencies are multivalued
one to one attribute relationship - correct answer ✔a value of an attribute
determines the value of another attribute and vice versa
one to many attribute relationship - correct answer ✔a value of one attribute
determines the value of another attribute but not vice versa
many to many attribute relationship - correct answer ✔Neither attributes the
other
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