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- WEEK 8 DISCUSSION#2 ANSWER THE QUESTION BELOW. 1. Provide an example star schema, and then explain the use of facts, dimensions, and attributes.Based on the provided information below, what is the ERD Diagram to this fictional senerio that includes its primary key and attributes?Draw a complete ER Diagram. Show all entities, attributes, primary keys, foreign keys, relationships and connectivities involved in the diagram. (Using LucidChart)
- Consider the E-R diagram in Figure 8.9, which contains specializations, usingsubtypes and subtables. Can you create a person who is an employee and a student with the schema you created? Explain how, or explain why it is not possible.Analyze the given entity relationship diagram and answer the following questions. What is the degree of “has” relationship? Identify primary key(s) Identify the category of each attribute Name the cardinalitiesPlease do not draw ER Schema. I need ER Diagram with ER diagram symbols and notations (as in rectangle, diamond, ellipse, ect). Show the all the entity relationships clearly. Thanks. a) Represent the following information using ER Diagram symbols and identify different typesof attributes used: b) From the above-given information, determine which is an entity, an entity type, and an entityset defining each of these terms in one or 2 lines.
- Draw an ER Diagram for the schema shownQuestion 28 Which of the following is not a basic element of the E-R Model? Group of answer choices Relationships Use cases Identifiers Cardinalities EntitiesConsider the ER diagram presented in the figure bellow. Given the ER schema, draw an instance diagram using three courses that you are taking this semester. Draw instances of each entity type involved and relationships as they exist in reality.
- Describe the entity-relationship model. How are entities, relationships, and attributes represented in this model? What is a composite entity? Describe the approach to diagrams that use a crow’s foot. Describe how you would represent cardinality in an E-R diagram.Given the ER diagram above, answer the following questions: a. Name an entity type that has more than 2 relationships. b. Name one ket attribute and the entity type it belongs to. c. Name one one-to-one relationship and the entity types it relates. d. Name one many-to-many relationship and its entity types. e. Name one relationship attribute. f. What is the cardinality of relationship ‘employs’? g. What is the cardinality of relationship ‘textUsed’? h. Name one weak entity type i. Does it have a partial key? If yes, name it. ii. Name its identifying entity type iii. Name its identifying relationship Question 2 A bank provides services to customers. The banks is identified by its code and has a name and an address. The bank has several branches. A branch is identified by its code that is unique for a given bank. The branch name and address are also stored in the database. Customers deal with the bank through the bank branches. So, a customer belongs to a specific bank branch. Customers…Given the information above, draw an EER Diagram showing the following:• Entities,• Attributes,• All key attributes,• Data types for each attribute, and• All relationships between the entities.