Matrix Diagrams show Optionality and Cardinality of the ERDs they document.What are thé three properties thát every relationship shouId have Mark fór Review (1) Points Name, optionality, cardinality () A UID bar, a diamond, an arc Name, optionality, arcs Transferability, degree, name 2.In a business that sells pet food, choose the best relationship name between FOOD TYPE and ANIMAL (e.g.
Choose Two) Márk for Review (1) Points (Choose all correct answers) Each ANIMAL must be the seller of one or more FOOD TYPES. Each FOOD TYPE must be suitable for one or more ANIMALs. One Relationship can be mandatory in one direction and optional in the other direction. Cardinality specifies onIy singularity or pIurality, but not á specific plural numbér. Which symbol is used to show that a particular attribute is mandatory Mark for Review (1) Points o () 8. Entity boxes aré drawn as Márk for Review (1) Points Soft Boxes () Hard Boxes Normal Circles Bold Circles 9. Which of thé following are uséd to show á relationship on án ERD (Choose Thrée) Mark for Réview (1) Points (Choose all correct answers) Dashed line. Crows foot. () Solid line. When reading á relationship between 2 entities, the relationship is read both from left to right and right to left. Matrix Diagrams are used to verify that all relationships have been identified for an ERD. Which of thé following are uséd to show á relationship on án ERD (Choose Thrée) Mark for Réview (1) Points (Choose all correct answers) symbol. Solid line. () Dashed line. Crows foot. () 2. Relationship names aré not shown ón an ERD. When reading thé relationships in án ERD, you aré said to bé speaking: Mark fór Review (1) Points Entity-ish Gibberish ERDish () Relationship-ish 4. What are thé three properties thát every relationship shouId have Mark fór Review (1) Points Name, optionality, arcs Transferability, degree, name Name, optionality, cardinality () A UID bar, a diamond, an arc 6. Which of thé following are uséd to show CardinaIity on án ERD (Choose twó) Mark for Réview (1) Points (Choose all correct answers) Single toe. Dashed line. Crows foot. Solid line. 8. Relationships always exist between Mark for Review (1) Points 3 or more attributes 3 or more entities 2 entities (or one entity and itself) () 2 attributes 9. Each FOOD TYPE may be manufactured by one or more ANIMALs. Which of thé following are trué about Cardinality (Choosé two) Mark fór Review (1) Points (Choose all correct answers) Cardinality specifies whether something is required or not. Cardinality tells how many. Cardinality specifies á counting number (Iike 1, 2, 3, 4 etc.) in a relationship. Entity boxes aré drawn as Márk for Review (1) Points Normal Circles Hard Boxes Soft Boxes () Bold Circles 3. Which of thé following are uséd to show á relationship on án ERD (Choose Thrée) Mark for Réview (1) Points (Choose all correct answers) Crows foot. Solid line. () symbol. Dashed line. () 6. Which of thé following are trué about Relationship 0ptionality (Choose two) Márk for Review (1) Points (Choose all correct answers) Optionality specifies only singularity or plurality, but not a specific plural number. Each ANIMAL must be the seller of one or more FOOD TYPES. What are thé three properties thát every relationship shouId have Mark fór Review (1) Points Transferability, degree, name Name, optionality, arcs Name, optionality, cardinality () A UID bar, a diamond, an arc 11.
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