On which side of a many-one connection does the main key of one entity serve as a foreign key? On the side where a large number of relationships are defined From both sides On one hand, one relationship is defined; on the other hand, another relationship is defined.

Q: Draw an Entity Relationship Diagram for all of those below. (a simple one) Each lecturer is…

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

Q: Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation  according…

A: I will explain it in details,

Q: Unified Modelling Language (UML) is often used as a notation when drawing Entity-Relationship…

A: Unary Relationship When there is a relationship between two entities of the same type, it is known…

Q: What does cardinality indicate in an entity-relationship diagram? 1:The unique identification for…

A: Introduction: This question is about the unique identifier for which data is stored. The…

Q: A, B are items at the higher level of the concept hierarchy, A1, A2 are the only subcategories of A…

A: Confidence –A confidence of 60% means that 60% of the customers, who purchased milk and bread also…

Q: what is the name of the connection in which each instance of data in one entity is represented by…

A: Entities are real-world objects with characteristics that are stored in a database. Tables are used…

Q: What is the difference between a weak entity and one that requires communication?

A: Answer: The other entity that is required for communication is a strong entity. So, Weak entity and…

Q: Please draw Any organization ERD with 5 entities and their attributes + show the relation Avoid…

A: To present or describe the structure of the underlying database in the form of diagram, ER Diagrams…

Q: Office stestbiame deptCode lastName frstName tacid rank Department employs Credits Faculty sRated…

A: a)entity type that has more than 2 relationships are- class and department class- relationship with…

Q: In a one-one relationship, the primary key of one entity acts as foreign key on which side? must be…

A: Primary Key :- It is the key in table that is unique and not null in any table like emploee_id is…

Q: The foreign key must be in one side table when a relationship is 1:N. At the implementation level,…

A: Defined given statements true or false

Q: company provides catering services for clients who need special-occasion, celebratory dinners. For…

A: Actually, given information: A company provides catering services for clients who need…

Q: Give an example of how the distinction between a candidate key and an entity type identifier is…

A: Entity Identifiers: Entity IDs are critical properties that are used to uniquely identify each…

Q: Based on the set of 3NF relations derived in (b), draw a complete entity relationship diagram (ERD)…

A: Employee Record ( Name, Emp Number, Address, DOB) Course Attended ( Number, Description, Location,…

Q: Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according…

A: What is ERD? Entity Relationship Diagram or ER Diagram or ER model, is a type of structural diagram…

Q: Multiplicity is the same as what concept for an ERD? a. Relationship b. Attribute c. Entity d.…

A: multiplicity constraint represents for a relationship type. It represents the number (or range) of…

Q: Based on the given ERD, identify all the business rules and explain them. Also, identify all primary…

A: Primary Keys are the unique keys to recognize uniquely rows in a table. And foreign keys are used…

Q: Regular entity type is transformed to a relation.

A: To be determine: Regular entity type is transformed to a relation.

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: The degree of a relationship indicates Group of answer choices the number of entities participating…

A: The number of entities participating in the relationship is called degree of a relationship. A…

Q: Computer Science • Prepare an entity relationship diagram level 2 - Weak Entity, Aggregation, IS-A…

A: Note: As guidelines by bartleby, we can only write text or attach images but we cannot send word…

Q: 1. i).To represent one entity that is a specific type of another entity we use…..? a.Relationships…

A: 1. i). The correct answer to this question is option a. Relationships Explanation: - Any…

Q: Interpret the different form of Entity used in the given scenario of ER diagram. Illustrate the…

A: Strong entity Account Region Item creep Weak Entity Character Item Instantiation creep…

Q: Draw an entity relationship diagram ERD using unified modelling language UML nation according to the…

A: Lets see the solution.

Q: Exercise One | 1..* K 0..1 G Identify all the relationships in the UML relationship diagram above.

A: Symbols are: form first image: (A B F and E) A "has a" B (Aggregation), B "is a" E   (Inheritance)…

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1. Each student can have only one social security number and a social security number can belong to…

Q: 46. ______________ express the number of entities to which another entity can be associated via a…

A: Here is the solution which is mentioned below:

Q: Draw an Entity Relationship Diagram of Store Management System(Retail Store Database). Properly…

A: table: customer table - C_ID (primary key) bill table - Bill_ID (primary key) employee table - E_ID…

Q: Define a one-to-many relationship.

A: One-to-Many Relationship For Table X and Table Y If only one record from table X is related to more…

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: A binary relationship that is one-to-many in an ERD is best represented by adding the primary key…

A: Lets see the solution.

Q: What is the term used to describe a non-key attribute in one entity that points to the primary key…

A: This is used to establish relation between two tables

Q: A company provides catering services for clients who need special occasion celebrating dinners. For…

A: Actually, given information: A company provides catering services for clients who need special…

Q: Many to many relationships (a non spcific relationship) are resolved into a pair of one-to-many…

A: Many to many relationships (a non spcific relationship) are resolved into a pair of one-to-many…

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1. Student can only one social Security number while a social Security number can belong to only one…

Q: Explain what the Entity-Relationship model is and how it operates.

A: Introduction: They are also known as the ERDs or ER Models, and they use a preset collection of…

Q: What are the requirements that two relations must satisfy in order to be considered union…

A: Union compatibility: In a database, relations are a set of tuples. Hence, set of operation can be…

Q: In an entity-relationship diagram, what does cardinality mean? 1:The data is saved concerning a…

A: Foundation This question was taken from the Database Management System paper that was given in the…

Q: Why is it recommended that every ternary relationship be converted into an associative entity?

A: GIVEN: Why is it recommended that every ternary relationship be converted into an associative…

Q: Describe the purpose and operation of an entity-relationship model.

A: Models of entity relationships are based on the relationships between entities in the actual world.…

Q: What concept is defined by the following definition?  ”A set of entities of the same type that…

A: Please find the answer below :

Q: If you are reading a flat file, with minimal information regarding business rules and constraints.…

A: Solution:Even though the file contains minimal information about business rules and constraints,…

Q: In a one-one relationship, the primary key of one entity acts as foreign key on which side? O must…

A: Given: To choose the correct option.

Q: Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation  according…

A: The solution is :

Q: When must a many-to-many relationship bemodeled as an associative entity

A: Given: When must a many-to-many relationship be modeled as an associative entity.

Q: Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according…

A: Entity relationship diagram: An ER diagram is a visual representation of the entities and their…

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.