Write the business rules that are reflected in the ERD shown in Figure P2.17.

Q: ENTITY_M M1 M2 M4 M3

A: ENTITY_M SQL query

Q: Complete entity attributes the way you like brid. hid Thas_branch Hotel Branch supdate quantity work…

A: For the hotel schema hid is the primary key which remains unique to each hotel and brid and eid are…

Q: 1. List GodaAloct and Description for Stock. 2. List CodeSteck and sales representative for…

A: As per our guidelines we are supposed to answer only 1st three parts. Kindly repost the remaining…

Q: TRUE or FALSE - A super-entity can only have two sub-entities and no more.

A: A SUPER-ENTITY CAN HAVE MORE THAN TWO SUB-ENTITES

Q: The notation (0,N) is attached to entity E1, the notation (2,N) is attached to entity E2. What is…

A: Here (0, N) notation represent that  (MIN, MAX)   relationship . It means E1 entity can have minimum…

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: Make a list of the characteristics you'd want to see in an entity identification property.

A: Answer:

Q: What is an Entity Relationship Diagram? Can you show me an example.

A: An ER diagram shows the relationship among entity sets. An entity set is a group of similar entities…

Q: Describe the relationships(identify the business rules) depicted in the Crow's Foot ERD shown in…

A:

Q: RI E2 E1 R4 R2 R5 E4 R3 E3 hat is the minimum number of relations required for the above E-R…

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

Q: Q2/II draw the entity relationship for each of the following: 1-" a student studies one or many…

A: ANSWER: Entity Relationship: Entity: Entities are the essential objects of ERDs. These are the…

Q: What does it mean to be a weak entity? Set a good example.

A: Introduction: Although an entity type should contain a key attribute that uniquely identifies each…

Q: Write the business rules that are reflected in the ERD shown in Figure P2.15. (Note that the ERD…

A: SOLUTION:

Q: c) Draw a 3NF dependency diagram.

A: The given data sample table shows the invoice details and it is in 1NF.   The assignment requirement…

Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure given…

A: Convert the given Entity Relationship Diagram (ERD) into dependencies diagrams: Initial dependency…

Q: How is a relationship between entities indicated in an ERD? Give an example using the Crow’s Foot…

A: Relationship Representation in ERD(Entity Relationship Diagram):-   ER diagram or Entity…

Q: Using the descriptions of the attributes given in the following figure,  how to convert the ERD into…

A: The properties of 3NF (3rd Normal Form) is: It is in 2nd normal form. It does not have transitive…

Q: Write the business rules that are reflected in the ERD shown below (Note that the ERD reflects some…

A: Description:   There are four entities  1. Book 2. Author 3. Publisher 4. Contract    An entity is a…

Q: What is entity type?

A: Given: What is entity type?

Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure P6.1…

A: Answer: Converting the given ERD diagram Dependency diagram of 3NF Normalization is the process of…

Q: 3.2. Change the provided dependency diagram below to 3NF. You only have to draw the final dependency…

A: Change the given dependency diagram to 3NF

Q: What is an entity set?

A: An entity set is a group of similar entities and these entities can have attributes.

Q: Describe in your own words the purpose of the two business rules listed on page 140.

A: Business Rules The business rule will be classified in 3 main groups: structural rule, call logic,…

Q: What exactly is an entity?

A: In a database, an entity is a collection of characteristics. An entity might be a tangible thing…

Q: Using the Entity Relationship Diagram you have created, create the tables and insert the values…

A: Below are the create and insert queries:

Q: What does the term "Entity type" mean?

A: Entity type: A This concept describes a person, an organization, an object type, or a concept about…

Q: The below Entity Relationship Diagram (ERD) is in second normal form. Draw a new ERD in third normal…

A: New ERD in third normal form is an given below :

Q: In ER Diagram, entity Bank (bankID, Bank Name) is connected by a relationship to entity Bank_Branch…

A: Given entities -  Bank (bankID, bank Name) Bank_Branch (BranchID, address)

Q: A ternary relationship is a relationship which includes Select one: O a. Two entities O b. Three…

A: In unary relationship, only one type of entity participate in that relationship.   In binary…

Q: Draw the dependency diagram and identify the functional dependencies. Show the process of converting…

A: Service_id->(ser_cat) Ser_cat->(Ser_wk_hrs,Ser_Cost) Truck_no->Truck_Cap Dependency…

Q: 1. Write the facts representation. 2. Write the comprehensive rules that can be used to answer most…

A: Semantic network A semantic network is a graphic notation for representing knowledge in patterns of…

Q: Create an entity relationship diagram and the relational diagram

A: ANSWER: Entity Relationship Diagram: An entity relationship diagram, otherwise called an entity…

Q: 1. Identify the PK and all the dependencies in the table and draw the 1NF dependency diagram.

A: In cases with multiple questions we only are supposed to answer the first question.

Q: Convert the following Table 1 into 3NF. The Functional Dependencies are shown in Table 2. Draw the…

A: Introduction Convert the following Table 1 into 3NF. The FunctionalDependencies are shown in Table…

Q: Entity relationships, connecting with a linked entity. Primary Key (PK) Sales Person Product Part…

A: Following are the tables for mysql for above ERD.

Q: ABC D E FG

A: A functional dependency is a term used in the database which defines the relationship between the…

Q: Produce an entity relationship diagram of the Grand villa Hotels system described above.

A: According to the information given:- We have to produce ER diagram of the Grand villa Hotels system.

Q: Design the Facebook DB Schema using necessary Entity Relationships

A: A data model is a picture of all the elements in all the entities represented by the databases that…

Q: Create an entity-relationship diagram for the three entities showing the correct cardinalities

A: An entity-relationship diagram for the three entities showing the correct cardinalities is as…

Q: Define the term entity and give an example other than those used in this book.

A: Answer: An entity may be an object with a physical existence (for example, a particular person,…

Q: Customer Table Salesman Table (PK) Customer Num (PK) Salesman Num None None

A: Resources Table Inventory (Primary Key - Part Number) Link (Primary Key - Part Number or Vendor…

Q: Draw the relationships,identify the business rules,depicted in the Crow's foot ERD shown in the…

A: In a particular subject of knowledge, an entity-relationship model (or ER model) represents…

Q: Create an ERD for a car dealership and also show entity names, primary keys, attributes for each…

A: Create an ERD for a car dealership and also show entity names, primary keys, attributes for each…

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.