N:M relationships  a.) require that the primary key from each table is deleted.   b.) require that a foreign key is added to the many side. c.) should be ignored when translating to a database. d.) require an additional table to be added when translating into a database.

Q: The Database Approach is the preferred method in today's business environment for database…

A: Data redundancy: Data redundancy refers to the duplication of data, lets say we are managing the…

Q: write sql queries A local businesswoman has decided to start her own Internet business, called…

A: Given: write sql queries A local businesswoman has decided to start her own Internet business,…

Q: Can composite keys include composite attributes?

A: Introduction Composite key: Composite keys are a type of database key that is made up of two or more…

Q: a) Create the proper database using sql queries that stores students information (ID,Name) with…

A: create database student_info  -- creating the database --creating the student tablecreate table…

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: Explains why a normalized Index metadata relation may perform poorly.

A: Version of the Index_metadata link that is normalised As the index_attribute element includes a…

Q: Please written by computer source There are 2 parts to this assignment Unit 6 - Part 1--Prepare a…

A: Some important terms: Business/Organization: Refers to the entity for which the database is being…

Q: A select operation in a relational database may prune unnecessary columns from a table, making it…

A: The select operation is essentially an operation that searches the data that is included in the…

Q: Describe the process of generating a data dictionary from an existing database schema.

A: In database management and documentation, creating a data dictionary from an existing database…

Q: Assume a university database's student table includes StudentID, Major, Age, MaritalStatus, and…

A: Information that has been provided includes a student table that can be found on the university's…

Q: erry must be correct.  Refer the attach tables.

A: This has been coded using MySQL.

Q: 4. Use an appropriate database application to design a database for a school record. Name it…

A:

Q: In a relational database, a select operation is used to minimise the size of a table by eliminating…

A: Select operation in a relational database is utilized to decreased the size of the table by…

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: . A relational database developer refers to a record as a. a criteria b. a relation c. a tuple d. an…

A: c) a tuple

Q: Case Study: ACE Sport Database Mr. Harris has a shop selling sport apparels and his forecasts for…

A: Database Management system helps organizations , optimize , store , retrieve and manage and many…

Q: Woody Jr. took over Woody's Working Shop from his parents. His parents had not updated their…

A: Database design for the wood inventory mangement can be made as: Wood table:Table 1 Wood_code…

Q: By removing columns that meet particular criteria, the select process in a relational database may…

A: INTRODUCTION: DATABASE: It is a collection of information that has been methodically organized. They…

Q: Subject: Database Design UCSICafe is a coffee shop which set up in many countries such as…

A: we use the crow;s foot notationsome assumption/ description1)In  there is branch and headquaters in…

Q: KimTay Pet Supplies database design (see Figure 2-1) to support the following requirements. A…

A: the solution is an given below :

Q: We will assume that the Computer Science Department at a university  has an agreement with the…

A: ANS 1. The ERD has 3 Entity, relationship has and checkout. The primary key are : num, Id, cid. --…

Q: Realtional database SQL question 14) If  Tables T1 and T2 are connected as „one to one”  than :…

A: Given If Tables T1 and T2 are connected as „one to one” than : Both tables must have the same…

Q: Which of the following database operations should be handled with extra care?

A: Choose one: A customer enquiring about their savings balance. The client enters their online banking…

Q: members. A professor must appoint a research assistant for rvise. The research assistant can only…

A: Identify all the entities within the university         2. Draw an ER Diagram showing the…

Q: 1. Consider the following tables and their structures, which are part of a common database: CUSTOMER…

A: A)   Primary Key Foreign Key Customer customerID - Software softwareID   License LicenseID…

Q: The following relational schema form a university database which is implemented in a relational…

A: Here have to determine about sql query for given problem.

Q: CUSTOMER Ữ CustomerID FirstName LastName Phone EmailAddress INVOICE InvoiceNumber Customer D Dateln…

A: Schema Structure- --------------Customer---------------- CustomerID (Primary Key)- FisrtName-…

Q: Q2 Create a Database with at least 4 tables, 3 queries, 2 forms, and 1 report. Each table should…

A: Creating table “Book_Details”:     CREATE TABLE Book_Details      (          ISBN_Codeint PRIMARY…

Q: How can self-joins be utilized effectively in relational databases?

A: In relational databases, self-joins, when a table is joined with itself, are a potent approach. To…

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: A local businesswoman has decided to start her own Internet business, called Masterpieces Ltd,…

A: Create the table of customer, owner and artist.

Q: How does a view maintain data abstraction in a relational database?

A: In a relational database, data abstraction refers to hiding specific details of storing and…

Q: 1. Create the table with the following specification shown below: Database name: Oasis. Table name :…

A: We are using mysql for this. Create database as shown below: mysql> create database BB;Query OK,…

Q: Why does a field represent in a database? Why is it important?

A: Data field A data field indicating a quality or function named as an Entity A database attribute…

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: One of the recommendations regarding indexes is to specify a unique index for each primary key

A: IntroductionConstraints in SQL Server permits process the principles at the column level within the…

Q: Subject: Database Topic: EERD -Based on the information given below, draw the conceptual EERD…

A: Enhanced entity-relationship charts are progressed information base outlines basically the same as…

Q: nonprofit Canadian organization that provides aid to people after natural disasters needs your help…

A: the diagram is an given below :

Q: Q3) consider you have the Library database with the following relations, where the primary keys are…

A: A library management system is software that is designed to manage all the…