1) The manager of an international company would like to know the quantity sold for each product and for each store by day, week, month, and year. For each store, the manager would like to know its corresponding city and country. You have to design a star schema to achieve the goal of this manager. 2) If you think that some of your proposed dimension tables in Q1, are not normalized, you have to convert your star schema into snowflake schema to normalize these dimension tables.

Q: Let's say we have the attached table :   Find the year in which employees hired with minimum salary…

A: Answer:Select HIREDATE from EMP where SAL > 1000;Here, the above query will display the employees…

Q: Translate the following ER diagram into the appropriate relational schema

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Q: Develop ERD (Entity Relationship Diagram) for one of the following two scenarios. NOTE: No further…

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Q: the Garden Glory database and Use the IE Crow’s Foot E-R model for your E-R diagrams. Justify the…

A:

Q: Convert the following ER diagram into a relational table. Show all the nec foreign key mapping- ID…

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Q: If one characteristic may have several values, how does it differ from a recurring group?

A: What distinguishes a recurring group from one multivalued attribute? A property with various values…

Q: 2. Suppose you have the ERD shown below. You need to change the M:N relationship into two 1:M…

A: Answer: We need to write the ERD diagram from M:N relationship to 1:M relation ship so we will see…

Q: Help normalize this into 4NF and make a diagram please? Or just explain the relations I should do.…

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Q: Why is it not possible to represent N:M relationships with the same strategy used to represent 1:N…

A: Given:   Why is it not possible to represent N:M relationships with the same strategy used to…

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Q: Map the EER diagram to a relational schema and transform the relation into 3NF.

A: This question is from the subject database management services. Here we have to develop a relational…

Q: WHAT IS THE ERD AND Relational Diagram ?

A: this is defined as -

Q: Exercise 3 1) The manager of an international company would like to know the quantity sold for each…

A: 1. Facts or metrics are Low Estimate, High Estimate, Reserve Price, Sold Price. 2.  Business…

Q: Describe the most common way in which relationships in an E-R diagram are expresses in a…

A: ER  diagram ER  diagram is defined as the interconnection of entities and attributes how they are…

Q: Consider the following relation that involves student data: RADE (ClassName, Section, Term, Grade,…

A: Primary key for the given relation is (ClassName, Section, Term, StudentID)  Here the functional…

Q: Transform into relational model (relations). IMPORTANT: The diagram needed for the second part uses…

A: Er diagram stands for Entity relationship diagram which contains mainly three components that are…

Q: Let's say we have the attached table : 3. Find the years that company hired more than 5 employees

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Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.