1. Complete the following table with the correspondent statements: stmple entity, weak entity, composite attribute, multi-valued attribute, primary key, relationship, dertved attribute, foreign key. (2 Marks) Name Statement type Phone Company Married Age ID Task Child address Perform

Q: n the attached diagram, which of the following statements are true?       primary key for section…

A: Weak entities are represented with double rectangular box in the ER Diagram and the identifying…

Q: A weak entity set depends on another entity set for all or part of its key. Select one: O a. False…

A: Since weak entity dont have its own primary key, it depends on another entity, and weak entity have…

Q: Create a rule that specifies when an attribute from one entity type should be extracted and placed…

A: An entity-relationship model (or ER model) is used to explain the relationships between objects of…

Q: Define entity?

A: The answer is given below:

Q: When an attribute should be extracted from one entity type and placed in a related entity type,…

A: The answer is given below:-

Q: Transform the following Entity Relationship Model into Relational Schema. DeptiD EmpiD DName Name…

A: The term "schema" refers to the organization of data as a blueprint of how the database is…

Q: Transform the following Entity Relationship Model into Relational Schema. TID DeptiD DName TName…

A: The relational model is nothing but a group of tables or relations that create for your database.…

Q: Modify the Er diagram given below and add 5 to 6 more additions to it such as entities attributes…

A: RE DIAGRAM for college management system

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: The following statements are correct for. 1. Certain attributes may apply to some but not all…

A: The following statements for Specialization/Generalization 1.Certain attributes may apply to some…

Q: Create an entity relationship diagram and the relational diagram

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

Q: entities: Residential students which fields like student id, Student name, exam papers Transfer…

A: Given entities: Residential students which fields like student id, Student name, exam papersTransfer…

Q: 1. Draw the ER diagram corresponding to following relational model with all constraints Employee…

A: ERD  :-

Q: STION 9 is used to represent the M: N relationships between two or more entities. A Mandatory B.…

A: M:N relationship: Relationships helps to connect the  related information between the  tables. They…

Q: Question : Map the following ERD to relational schema (show primary and Foreign keys) CPR Supervise…

A:

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: Differentiate between weak entity set and strong entity set

A: Note: There are multiple questions are given in one question. According to the rule, you will get…

Q: Complete the Entity Relationship Diagram for the remaining entities in the Data Schema & Dependency…

A: The entities in the given case study are CAMPUS and CLASSROOM. Identify the attributes of each…

Q: Create a rule to extract attributes from one entity type and set them in another.

A: GIVEN: Create a rule to extract attributes from one entity type and set them in another.

Q: 1.Represent the above as a single Entity Relation model. Provide any assumptions necessary to…

A: The given is a description of the system to model the database for Tairiq Mines, where the parking…

Q: Translate the following ER Diagram into relational model. Show different relations that will result…

A: Relational Model is used for modelling data in the form of relations or tables. It represents how…

Q: . Generalization is when an existing relationship set participates in another relationship set.…

A: PART 1:- Generalization is when an existing relationship set participates in another relationship…

Q: 1- Mapping this ER diagram to Relational Model diagram 2- Normalization of the relation scheme (1NF,…

A: Given ER diagram contain many entities and attributes. In conversion of ER diagram to Relational…

Q: 43. Entity Relationship model consists of collection of basic objects called _________ and…

A: GIVEN: Entity Relationship model consists of collection of basic objects called _________ and…

Q: Explain the logical connection between the entities entity, attribute, and relationship in a few…

A: The logical connection between the entities entity, attribute, and relationship

Q: 45. Association among several entities is called as _____________. a. Extraction b. Relationship c.…

A: Please find the answer to the above question below

Q: 45. Association among several entities is called as _____________. a. Extraction b. Relationship c.…

A: Association among several entities is called as Relationship so the correct option is option b.

Q: . Create a data model from the below and ensure it show:    a.) Attributes    b.) Entities    c.)…

A: Summary :- We got our result.

Q: Explain the terms: Entity Attribute Types of relationship Cardinality  Optionality. I NEED…

A: Entity: - Any existing real word object is an entity in the Database. Each entity has attributes,…

Q: n conducting the Design Phase, which of the following tasks must be conducted first?   a.…

A: b) Create an Entity Relationship Diagram :-…

Q: What is entity type?

A: Given: What is entity type?

Q: A table that displays data redundancies yields ____. Select one: a. more entities b. fewer…

A: A table that display data redundancies  yields

Q: Exercise 3.17 Consider the ER diagram that you designed for the Prescriptions-R-X chain of…

A:

Q: Suppose that the following are true: - all id column are primary keys in whichever table they are -…

A: A relational database contains tables. Tables have data arranged in rows and columns like a grid. A…

Q: Suppose that the following are true: - all id column are primary keys in whichever table they are -…

A: 1)Entity Relationship Diagram for the system:-

Q: :One of the followings is NOT a step to transforming an ERD into normalized relations normalize the…

A: Answer is denormalize the relations .b

Q: QUESTION 2 in ERD, an Entity with a partial key is named: O Partial Entity O Srong Entity O Weak…

A: Strong Entity is an entity which is not dependent on other entity and have a primary key. Its…

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: 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: 48. Collection of tables to represent both data and relationship is described by _____________. a.…

A: Given that, 48. Collection of tables to represent both data and relationship is described by…

Q: 48. Collection of tables to represent both data and relationship is described by _____________. a.…

A: Question 48. Collection of tables to represent both data and relationship is described by…

Q: A weak entity is defined as one that does not meet the requirements of any of the two criteria…

A: Let's have a look at the solution. Two criteria must be fulfilled in the order to be classed as a…

Q: A weak entity is defined as one that does not meet the requirements of any of the two criteria…

A: In a relational database, a feeble substance is an element that can't be extraordinarily recognized…

Q: • Each waiter has a date when they started serving. • Each waiter is also assigned many reservations…

A: The given problem is related to designing the database where the system description is provided. The…

Q: Entity-Relationship Diagram (ERD) is one of the data modeling tools that provides a software…

A:

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: Define a relation prereq depth(course id, prereq id, depth) where the attribute depth indicates how…

A: The CTE name is given as 'prereq depth' with attributes prereq id, course id, and depth, where depth…

Q: Use ER Assistant to draw your diagram.   Draw a self-referencing entity type for the Employee…

A: The diagram is shown below

Q: 2):-When a table has no suitable _ key, the database designer speciiesa(n)__ a) primary, foreign…

A: The given questions are related to desingng the data base as logical model (ER model) as wella s…

Q: Create an enhanced entity-relationship with ERD below, complete with PARTICIPATION and DISJOINT…

A: Enhanced ER model: (EER) diagrams are advanced versions of ER diagram.It is used in designing…