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prob 22 pic.png Determine the direction’ measured counter-cl…

prob 22 pic.png Determine the direction’ measured counter-clockwise from the positive x-direction’ of the acceleration for m = 2.0 kg, F1 = 32.0 N, F2 = 18.0 N, F3 = 22.0 N, θ1 = 37.00, and θ2 = 25.00.

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Which of the following conditions must be met for a relation…

Which of the following conditions must be met for a relation to be in First Normal Form (1NF)?

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Consider the following table definition:   CREATE TABLE Empl…

Consider the following table definition:   CREATE TABLE Employees (    emp_id INT PRIMARY KEY,    email VARCHAR(255) UNIQUE,    name VARCHAR(255));   What is the key difference between the PRIMARY KEY constraint on emp_id and the UNIQUE constraint on email?

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A relation is in 3NF if, for every non-trivial functional de…

A relation is in 3NF if, for every non-trivial functional dependency X→Y, which of the following conditions hold?

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Which of the following best describes a row-level trigger?

Which of the following best describes a row-level trigger?

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What is the primary purpose of creating an index on a databa…

What is the primary purpose of creating an index on a database table?  

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Consider the relation Sells (bar, beer, price) And suppose w…

Consider the relation Sells (bar, beer, price) And suppose we added this tuple-based check   CHECK (bar = ‘Joe”s Bar’ OR price

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Consider two tables, Sells and Beers, with the following sch…

Consider two tables, Sells and Beers, with the following schema:   CREATE TABLE Beers (    name VARCHAR(50) PRIMARY KEY,    manf VARCHAR(50));   CREATE TABLE Sells (    bar VARCHAR(50),    beer VARCHAR(50),    price DECIMAL(5,2),    FOREIGN KEY (beer) REFERENCES Beers(name));   What happens if the following INSERT statement is executed? INSERT INTO Beers(name, manf) VALUES (‘Bud Light’, ‘Anheuser’);  

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Consider the relation Sells (bar, beer, price) and the follo…

Consider the relation Sells (bar, beer, price) and the following view that has been created: CREATE VIEW ExpensiveBeers AS SELECT DISTINCT beer, price FROM Sells WHERE price > 5.00;   What happens when you attempt to update the ExpensiveBeers view?  

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Given this trigger:  CREATE TRIGGER RoundPriceBEFORE INSERT…

Given this trigger:  CREATE TRIGGER RoundPriceBEFORE INSERT ON SellsFOR EACH ROWSET NEW.price = ROUND(NEW.price);     A User attempts to execute the following statement on Sells (Bar, Beer, Price):     INSERT INTO Sells (bar, beer, price) VALUES (‘Joe”s Bar’, ‘Corona’, 4.75); What will happen to the price value inserted into the Sells table?    

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