Based on the picture, create the ERD for this database. Then explain if the tables exhibit referential or entity integrity? Finally, Identify the TRUCK table’s candidate keys

Q: Write foreign key constraints for the relationships in each of these tables. Make your own…

A: Foreign key:- A foreign key is a column or set of columns that allow us to link the data in two…

Q: On what attributes should indexes be defined to speed upthis query? Give the reasons?

A: Actually, given question regarding query.

Q: Which of the following is false: A. Tables are joined by using primary key/foreign key combinations…

A: The following statement is false B. A primary key can consist of more than one attribute

Q: What is a surrogate key, and when should you use one? What are the defects created within…

A: A surrogate key is a unique identifier assigned to a row in a table that does not have any business…

Q: What is a key feature of fifth normal form? A key step in this normal form has every…

A: Database Management System (or DBMS) Essentially nothing more than a computer-based data storage…

Q: The Car Maintenance team also wants to store the actual maintenance operations in the database. The…

A: DELETE CASCADE: - When we constitute a foreign key using this option, it deletes the referencing…

Q: What is normalization in database design, and why is it important? Describe the normal forms up to…

A: Normalization is a crucial process in database design that aims to minimize data redundancy and…

Q: The benefits of using tables in relational databases are many, so how about we go through some of…

A: Relational Database: A collection of data called a relational database arranges data points into…

Q: It is essential to discuss the various database table possibilities when dealing with subtype…

A: A Contacts table in a company database may store suppliers' names, e-mail addresses, and phone…

Q: If something is transitive, what does that entail? What is the rule for converting tables from the…

A: Answer is

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

A: There is only one error in the above code and that is the ALTER TABLE command on the address table.…

Q: re there any other database relationships besides 1 M and 1:1? If so, describe the relationship and…

A: Required: Are there any other database relationships besides 1 M and 1:1? If so, describe the…

Q: What is the difference between a UNIQUE and a PRIMARY KEY constraint? (See the tables in the JustLee…

A: Introduction: When creating a table, a primary key is used to identify each row in the table, while…

Q: To make the TAL Distributors database run more efficiently, the DBA denormalized part of the data,…

A: A DBA, short for Database Administrator, is a professional responsible for managing and maintaining…

Q: When considering creating a join between two tables, how are we demonstrating the concept of…

A: Dear Student, The answer to your question is given below -

Q: 15. A table is said to exhibit referential integrity if: a. it has no foreign key. b. it has a…

A: A table is said to exhibit referential integrity if : it has a foreign key, and all the foreign key…

Q: 5.6 LAB - Implement independent entity (Sakila) Implement a new independent entity phone in the…

A: First check whether phone_id column exists in your customer, staff, and store table or not. If…

Q: Using the functional dependencies, convert the following table to an equivalent collection of tables…

A: Dear student, the answer is provided below.

Q: A concise explanation of the many reasons why the use of tables in database design is a good idea…

A: Here's a concise explanation of the reasons why using tables in database design is a good…

Q: How about a summary of the benefits associated with using tables in relational databases? Perhaps…

A: In a relational database, data is stored in one or more tables (or "relations") of columns and rows,…