Assume the existence of a database with the following relations: Ingredient (name, calories, cost, containsNuts) Recipe(name,...
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Assume the existence of a database with the following relations: Ingredient (name, calories, cost, containsNuts) Recipe(name, ingredientName, amount) Menu(recipeName, season) which is used by a restaurant to manage its menu items. Assume that Recipe.ingredientName is a foreign key to Ingredient.name, and that Menu.recipeName is a foreign key to Recipe.name. Ingredi- ent.contains Nuts is a boolean, indicating whether the given ingredient contains nuts (e.g., Peanut Oil). Assume all amounts are in the same unit (e.g., grams). Write relational algebra expressions for the following: (a) (3 points) List the names of all recipes on the menu for the Fall season (b) (3 points) List the names of all of the ingredients in Pizza (c) (3 points) List all of the recipes that are nut-free (d) (3 points) List all of the recipes on the Spring menu that contain nuts Assume the existence of a database with the following relations: Ingredient (name, calories, cost, containsNuts) Recipe(name, ingredientName, amount) Menu(recipeName, season) which is used by a restaurant to manage its menu items. Assume that Recipe.ingredientName is a foreign key to Ingredient.name, and that Menu.recipeName is a foreign key to Recipe.name. Ingredi- ent.contains Nuts is a boolean, indicating whether the given ingredient contains nuts (e.g., Peanut Oil). Assume all amounts are in the same unit (e.g., grams). Write relational algebra expressions for the following: (a) (3 points) List the names of all recipes on the menu for the Fall season (b) (3 points) List the names of all of the ingredients in Pizza (c) (3 points) List all of the recipes that are nut-free (d) (3 points) List all of the recipes on the Spring menu that contain nuts
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Auditing and Assurance services an integrated approach
ISBN: 978-0132575959
14th Edition
Authors: Alvin a. arens, Randal j. elder, Mark s. Beasley
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