Design the database model (Create the relational schema)

Q: Discuss the concept of denormalization in database design. When and why might a database designer…

A: Denormalization in database design is a process where the database designer intentionally introduces…

Q: Describe how the foreign key / primary key relation works between tables and why it is important in…

A: Given: Describe how the foreign key / primary key relation works between tables and why it is…

Q: the normalization process to normalize the above tables (you need not show the steps, but can use…

A: Given that 1. Follow the normalization process to normalize the above tables (you need not show the…

Q: Either an E-R diagram or a DBDL may be used to depict the framework of a database. Which approach do…

A: Introduction: ER diagrams are used to explore existing databases in order to find and fix issues…

Q: If a relational model exists, what is the overall term for characteristics, and how are they used?

A: One or more tables ("relations") comprising columns and rows are used to store information in the…

Q: What is the generic term for an attribute and how is it used in a relational model, if applicable?

A: Given: Each type of relationship can have its own set of relationship attributes. Attributes are…

Q: Follow the normalization process to normalize the above tables (you need not show the steps, but can…

A: Answer: Schema invoice_schema CREATE SCHEMA IF NOT EXISTS invoice_schema DEFAULT CHARACTER SET…

Q: Consider the following E-R diagram: E1 RI E2 R4 R2 R5 EA R3 E3 What is the minimum number of…

A: Introduction    Given, An ER diagram . We have to calculate the minimum number of relation required…

Q: QUESTION 3 A USE statement is not required when Session is already in the context of the database…

A: -The question wants to know when is the use statement not required.- A use statement is used to get…

Q: Explain the statement, Some physical database design techniques change the logical design, and some…

A: The statement "Some physical database design techniques change the logical design, and some do not"…

Q: You may use either an E-R diagram or DBDL to illustrate the structure of a database. Which approach…

A: E-R diagram: - ER diagrams are used to examine existing databases to find and solve problems in…

Q: 10 snapshots of the processes such as 3 tables, 2 relationships and 5 queries. (using excel)…

A: The question is answered in handwritten form . It is explained in detail

Q: Hi.   What about this question. What does this mean exactly please to sketch and create the…

A: The relational model of a database allows us to organize data in forms of tables with rows and…

Q: To begin, you will need to establish a database transaction. In the next discussion, we will focus…

A: Understood. To establish a database transaction, you will need to use a database management system…

Q: Explain the concept of database constraints, including primary key, foreign key, unique, and check…

A: 1) Database constraints are rules defined on tables and columns within a database that dictate the…

Q: Please explain what does it means to manipulate the structure of tables to add and to modify, and…

A: The process of creating the framework that stores and arranges data in a database system is known as…