convert the design (ER diagram) into relational schemas and capture as many of the constraints as possible

Q: Translate this ER diagram into a relational schema, Choose appropriate data types for each attribute…

A: Relational Schema characterizes the design and structure of the relation like it comprises of the…

Q: Describe the process of data modeling for a relational database, including entity definition,…

A: 1) Data modeling is the process of creating a visual or mathematical representation of data and its…

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: If there is such a thing as a relational model, what is the overarching name for attributes, and how…

A: Attributes are also known as columns or fields in the relational model. Attributes are used in…

Q: The use of composite attributes are avoided in relation schema when the relation schema conforms to…

A: The use of composite attributes, are avoided in a relation schema when it is said to be in First…

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: Consider the following Staff relational schema: STAFF (STAFFNO, NAME, DOB, GENDER, DOJ, DESIGNATION,…

A: Relational model of this schema is below picture

Q: 1. Translate the following ER diagram into Relational Schema. Don't forget to put in the foreign key…

A: SOLUTION -Given ER diagramBuilding Entity:Attributes:nameComposite…

Q: Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and…

A: The processes to generate the relational schemas for the provided Entity Relationship diagram are…

Q: In the case of a relational model, what would you call characteristics generally, and how would you…

A: The relational model for database management is a method for logically representing and managing…

Q: Design the database model (Create the relational schema)

A: A relation schema refers to the structure and definition of a…

Q: The various database table choices should be discussed when dealing with subtype associations.…

A: Business databases may store supplier names, emails, and phone numbers in a Contacts table. Tables…

Q: latitude ER Diagram longitude description Convert to relation schema location last_visited

A: A rеlational schеma is a bluеprint for a rеlational databasе. It dеfinеs thе tablеs in thе databasе,…

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: Give four reasons to create an instance of your relational schema with sample data?

A: Given: Give four reasons to create an instance of your relational schema with sample data?

Q: Conditions that signal to the database designer that supertype and subtype relationships should be…

A: When a generic object is connected to more than one subtype, it is a super-type. Entities within an…

Q: Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and…

A: The relational schema has been given in step 2.

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

A: Here are the problems in existing table / relation: - Address and email are combined into a single…

Q: describe the basic features of the relational data model and discuss their importance to the end…

A:

Q: Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and…

A: The processes to generate the relational schemas for the provided Entity Relationship diagram are…

Q: Use a suitable example to provide a thorough description of the relational model.

A: A relational model describes how data is stored in a relational database. A relational database…

Q: Create an entity relationship diagram and the relational diagram to show relationship between all…

A: ERD :

Q: What are three signs that a surrogate key should be generated for the primary key of a relation…

A: A surrogate key is one that serves no practical or operational purpose. It's "artificial" and made…

Q: Please transform the following Entity-Relationship Schema (Diagram) into a Relational Schema. Please…

A: Here PNo and SSno are primary key.  The following are the entities : PROJECT, EMPLOYEE, ENGINEER The…

Q: QUESTION 2 Pointers are never used for pointing to an object Dpointing to a variable Ob. pointing to…

A: Ans:) The answers for all the parts are given below with an explanation.

Q: When it comes to relationships, what is the connection between the main key of a relation and the…

A: The connection between the main key of a relation and the functional dependencies among all…

Q: Apply the ER-to-Relational Mapping Algorithm to get the relational model (database schema) from the…

A: For relationship between Dependent and employee is 1:N with the dependent being weak entity. So we…

Q: [1] carRepair.dia 00.00 date description 1 techID techName mentor Mentors supID supName Supervisor N…

A: Solution:

Q: QUESTION 5 A functional dependency is a relationship between or among : Attributes Rows Entities O…

A: Here in this question we have asked that a functional dependency is a relationship between or…

Q: What are the key distinctions between overlapping and disjoint constraints, and how do you…

A: overlap and disjoint constraint apply to specialization/generalization relations in a database…

Q: Translate this ER diagram into a relational schema, Choose appropriate data types for each attribute…

A: The relational model in DBMS is a theoretical model used to coordinate and deal with the information…

Q: (a) Use STUDENT and LECTURER tables shown below to answer questions (i) and (ii). Table name:…

A: As per our rules, we can answer only the first sub-part in a multi-part question. Please submit the…

Q: Lab 3: Normalization Assignment: Problem #11 from Chapter #6. (Be sure to note that this is PROBLEM…

A: The relation schema for the table structure is given below, CHARTER (CHAR_TRIP, CHAR_DATE,…

Q: If there is such a thing as a relational model, what is the overarching name for attributes, and how…

A: Here, the user inquires about attribute use inside the relationship model. Attribute element or…

Q: Translate this ER diagram into a relational schema, Choose appropriate data types for each attribute…

A: Explanation:- Primary Key: t-name, p-name and id NOT NULL: id  t-name, and p-name

Q: What exactly is a Ternary Relationship, and how does it function?

A: We know that the relationship of degree three is when three entities participate in an association…

Q: What is the relationship between the main key and a non-key attribute, according to another non-key…

A: The relationship between any two attributes is known as functional dependence.

Q: If there is such a thing as a relational model, what is the overarching name for attributes, and how…

A: Answer is given below

Q: 1 having M M Volunteer VolunteerShift Position hires M has Pending NonPending M Event 1 has Location…

A: The schema is given as follows. Relational Diagram (Schema) Position: Position_ID Title…

Q: MIS150 hires qualified employees to purchase merchandises from vendors. Develop an appropriate…

A: Answer has been explained below:-

Q: Explain the significance of entity relationship diagrams in relational database design and why you…

A: Entity-relationship diagrams (ER diagrams) are a tool used in the design of relational databases to…

Q: Indicate the changes (using the shorthand representation) that you would need to make to the…

A: Question 1.) Indicate the changes (using the shorthand representation) that you would need to make…

Q: Use a suitable example to provide a thorough description of the relational mode

A: Introduction Relational database modelRelational info may be a kind of knowledgebase that stores and…

Q: Find the minimum number of tables required to represent the following relational model. b_city…

A: Question: Find the minimum number of table required to represent the following ER diagram?