STUDENT(StudentID, StudentName, CampusAddress, GPA) REGISTRATION(StudentID, CourselD, Grade) Following is a typical query against these relations: SELECT Student_T.StudentID, StudentName, CourselD, Grade FROM Student_T, Registration_T WHERE Student_T.StudentID = Registration_T.StudentID AND GPA > 3.0 ORDER BY StudentName; a. On what attributes should indexes be defined to speed up this query? Give the reasons for each attribute selected. b. Write SQL commands to create indexes for each attri- bute you identified in part a.

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A: There are 3 entities in the given ER-diagram Vendor Warehouse Part Shipping_mode and Unit_cost…

Q: Consider the following E-R diagram: E1 R4 E4 M M R1 R3 R5 N E2 M R2 E3

A: Answer : - Total number of relation in given table is 5.

Q: Step 1: Draw ERD and Map to Relations. Step 2: Map the ERD you have created to relations including…

A: ERD:

Q: Below STUDENT Student No Student Name Student Age has

A: CONNECTIVITY: The connectivity between the Student and the Result is one-to-one. One Student has…

Q: Given the diagram below, we would like to place a relationship name for the entity type on the…

A: Answer is

Q: What kinds of information could you capture about this relationship? What would the new ERD look…

A: Entities are the real world object while the relationship describes the connection of the two…

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: Regards to the diagram below (figure 4.12), answer the following questions using the multiple-choice…

A: The answers for the following question can be derived from the diagram given. How is of_type…

Q: Consider the below given ER diagram: El RI R2 RS R4 R3 The minimum mumber of relations required to…

A: Introduction :Given , An ER diagramWe have to find the number of relations required to represent the…

Q: Consider the ERM below: Consider the following ER Model. Suppose that the entity set S contains 15…

A: Here from entity W there is a double line. This means the participation is  full.  That is every…

Q: There are M:1 relationship between Property entity and Owner entity. There are 1:M relationship…

A: A number that represents, one instance of first entity(table) is related to how many instances of…

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: Using ER data model, design Book Store DBS following the required steps in terms of analysis, design…

A: Entity Relationship Diagram is of Online Book Store. The diagram is widely used in database design…

Q: example

A: Ternary relations:- When three entities are involved and taking part in a relationship then it is…

Q: Complete Each Entity's relationship. ex) A CUSTOMER makes  many ORDER And if ther is any errors or…

A: The following relations exists in the given Entity Relation Diagram: A CUSTOMER makes many ORDER. A…

Q: For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2),…

A: In a relational database, a weak entity is an entity that cannot be uniquely identified by its…

Q: which relationship or association is depicited in the following entity relationship (ER) diagram?…

A: The question seems to be about an Entity-Relationship (ER) diagram that involves three entities:…

Q: Assume that all seasons of the same series is produced by the same studio. name,season} can be used…

A: SolutionIntroduction-A) - A constraint that describes the relationship between two sets of…

Q: When we map ER-Diagram with 1: 1 relationship, the foreign key must be in: Select one: a. In the…

A: Explanation: In 1: 1 relationship, the foreign key must be in either table without specifying parent…

Q: Using normalisation principles, depict the relationship schema of the 3NF tables. State the…

A: In this question we have to understand about the given table and convert into the 3NF form of…

Q: List the three types of relationship degrees described in the chapter and give an example of each.

A: Degree of relationshipThe number of entity types that took part inthe entity relationship is known…

Q: Given the entity CAR with a multivalued attribute CAR_COLOR and attributes CAR_MODEL and primary key…

A: ROUNDED RECTANGLE SHOWS CAR ENTITY . DOTTED OVAL SHOWS DERIVED ATTRIBUTE. DOUBLE OVAL SHOWS…

Q: Staff_code CountryCode Staff_name COUNTRY STAFF belongs Degree Country_name Specialization Continent…

A: Sl.no Question Answer 1 Simple Attribute CountryCode, StafCode, StaffName, Specialization,…

Q: Examine the following and draw parallels: Concentration vs breadth Case of Entity;Class of Entity

A: Generalizаtiоn: The process of extracting common properties from a group of entities and then…

Q: . Refer to this entity-relationship diagram. How does this diagram depict a unattractive…

A: The solution is as follows

Q: Clustered B+ tree index

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Q: Consider the following relations: emp(empno, ename, age, job, salary, dob, doj, deptno) Find…

A: Option B is correct. Option C is false.

Q: E-R diagram to a set of relations.

A: Given :- An ER diagram is given in the above question   Need to write the corresponding Relational…

Q: Using examples, summarise the ways in which ternary relationships differ from unary and binary…

A: Well, A binary relationship is the relation between two entities participate and is the most common…

Q: Examine the following and draw parallels: Concentration vs breadth Case of Entity;Class of Entity

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Q: Entity Relationship diagram have different types of attributes, explain the below attributes with…

A: Multi -valued attributes: The multi-valued attribute is the attribute which can have more than one…

Q: How can we determine that an entity is in 1NF, 2NF and 3NF?

A: An entity is in 1NF, 2NF & 3NF can be determined as: 1 NF: First Normal Form 1 Normal form…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Given diagram contains three entities and there must be some attributes for the given entities. That…

Q: en Entity and ent

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Q: Creation of Entity Relationship Diagram Draw the entity relationship diagram (ERD) for this…

A: Entity Relationship Diagram :- An Entity Relationship Diagram (ERD) is a visual representation of…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Client ID, first_name, last_name, address, phone_number Reservation ID, date_of_reservation,…

Q: Make a UML diagram, Entity Relationship Model with the following data from the table: Entity Key…

A: To make an ER diagram,  rectangle refers entities,  oval refers attributes,  diamond refers…

Q: In LAU the ERD diagram representing the Professor entity " teaching " student entity is many to…

A: Er diagrm as discussed before applying any normalization rules:

Q: Please draw ERD for the company with 5 entities + show the relation Thanks

A: Types of possible relation, one to many , one to one and many to many.  Entities used:  - manager,…

Q: for the following entities and relationships: Customer, Order, Product, ProductDepartment.  One…

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Q: Question 2 Consider the following relation: Computer Repair(Comp ID, Engineer ID, Date Assigned,…

A: Normalization is an essential step in database architecture that guarantees data integrity,…