PET HEALTH HISTORY REPORT PET ID PET NAME PET TYPE PET AGE OWNER VISIT DATE PROCEDURE 246 ROVER DOG 12 SAM COOK 13/01/2017 01 - RABIES VACCINATION 27/03/2017 10 - EXAMINE and TREAT WOUND 02/02/2018 05 - HEART WORM TEST 298 SPOT DOG 2 TERRY KIM 21/01/2018 08 - TETANUS VACCINATION 10/03/2018 05 - HEART WORM TEST 341 MORRIS CAT 4 SAM COOK 23/01/2018 01- RABIES VACCINATION 13/02/2018 01 - RABIES VACCINATION 519 TWEEDY BIRD 2 TERRY KIM 30/12/2017 20 - ANNUAL CHECK UP 30/01/2018 12 - EYE WASH

Q: Explanation of three cases when it makes sense to create a secondary key instead of the main one in…

A: The three cases when it makes more sense to create a secondary key instead of using the main key in…

Q: Consider the foreign key constraint from the dept name attribute of instructor to the department…

A: Given: Goal: We have to discuss the cases of foreign key referential integrity constraint violation…

Q: re three reasons why the main key of a relation has to be replaced with a surrogate key?

A: Here are three reasons why the main key of a relation has to be replaced with a surrogate key.

Q: Consider the foreign-key constraint from the dept name attribute of instructor to the department…

A: Violation of foreign key constraint: The foreign key of one table violates when the primary key…

Q: how do you translate an Entity Relational Diagram to a Relational Diagram?

A: We are going to learn conversion of Entity Relational Diagram to a Relational Diagram. It takes…

Q: Normalise the answer from Q.5.2 to third normal form (3NF), showing all steps with explanations. The…

A: Please check the step 2 for solution

Q: Why draw a dependency diagram, and what do you use it for?

A: Dependency diagram is a graphical representation of all tasks in a work flow by representing the…

Q: To keep track of office furniture, computers, printers, and other office equipment, the FOUNDIT…

A: Normalization: The process used to minimize data redundancy and dependency in a relational database…

Q: This question is based on the following relation and sample data, where Employee Social Security…

A: Actually, database is a used to stored the data.

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: Create a form of the hybrid merge-join method that is appropriate for the situation in which both…

A: Hybrid merge join algorithm is a version of the merge join procedure, which is done on unsorted…

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: I have to generate a set of relations and functional dependencies which IS in BCNF, but IS NOT…

A: Answer is given below .

Q: Convert the Entity Relationship Diagram in to QI. relational database by using MS Access (Note:…

A: maintain the oder of creating table CUSTOMER TABLE CREATE TABLE CUSTOMER( CUSTOMER_ID NUMBER(5),…

Q: The bus ticketing report shown above displays snippet of the daily transactions. Based on this…

A: The given table is a dataset that stores the route, ticket, customer and travel dates for a bus…

Q: NORMALIZATION The table above displays snippet of the monthly loan application report send by all…

A: Answer:

Q: Convert the following ERD to relation schemas. EXPLAIN your answer. Dept Course number Name Name Id…

A: The Answer is

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: 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: Using the STUDENT table structure shown in Table 1, do the following: a. Write the relational schema…

A: Answer is given bellow .

Q: Write an SQL Assertion statement to enforce the functional dependency Title → Salary for the…

A: The above question includes two concepts of Assertion Statement and Functional Dependency Title->…

Q: In what normal form is the LOTS relation schema in the Figure with respect to the restrictive…

A: The relationship data, if it is in a first NF and all non key depend on primary attribute. Then the…

Q: 2. What is the minimum level of normal form for a relation with only one non- prime attribute?

A: 1NF

Q: Convert the preceding ER diagram into a relational DB schema. (I want you to do this yourself, not…

A: A Database is a collection of related  information. A relational schema is a design of the database.…

Q: 1. The BOOK CHECKOUT relation stores data about books checked out by students at a university. The…

A: Book_checkout (studentID,studentname,studentphonenumber,ISBN ,booktitle,checkoutdate,returndate)…

Q: Consider the ER diagram illustrated in the following figure. Convert the ER diagram to relations and…

A: In this question we have been given a ER (Entity-Relationship) diagram which need to be converted…

Q: PLZ help with the following: Translate your ER diagram into a relational schema in the form of SQL…

A: E-R diagram is given with different attributes. From this we will create tables

Q: Draw an ER-diagram for the following relational schemes. (Hint: bed and wardrobe are both…

A: The Entity-Relationship (E-R) diagram for the given relational schemas is as follows,

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: 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: Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and…

A:

Q: a) for the relation EMPLOYEE(EmpID, Name, DeptID, Title, Salary). You may assume that no tuple has…

A: Assertion : CREATE ASSERTION CHECK (NOT EXIST (SELECT * FROM Employee e1, Employee e2 Where e1.Title…

Q: which rules apply to desigining table with less redundancy? a) Binary Relationship b) Reflective…

A: The objective of the question is to identify the rules that apply to designing a database table with…

Q: Convert any E-R diagram in a Relation.

A:

Q: Why would you use a surrogate key instead of the main key for a relation?

A: In database management systems, surrogate keys and main keys are both used to uniquely identify…

Q: When should you use a surrogate key instead of the primary key in a relation, and give three…

A: According to the specification of the surrogate key function provided by dbt, these keys are often…

Q: Normalise the data to third normal form, showing all steps with explanations. Dependency diagrams or…

A: The primary key for the given relation is {PlayerName, CharacterName} The FDs are PlayerName ->…

Q: Convert this table to 1* nomal form. Identify the primary key(s) in the table. Draw as-is dependency…

A: In relational database system , efficient arrangement and redundancy of data is organized through…

Q: Convert the following unnormalized relation to fourth normal form using the  requirements (many…

A: Answer:)

Q: Instructions: In this assignment, you will convert an Entity-Relationship diagram into a set of…

A: Given: Several tables are shown in an entity-relationship diagram. We need to specify the table…

Q: Hello, can you now please normalize the answer into third normal form (3nf), showing all the…

A: Albeit Second Normal Form (2NF) relations have less overt repetitiveness than those in 1NF, they…

Q: What are three reasons to create a surrogate key for a relation's main key

A: Surrogate key: It is a key that has no contextual significance but is utilized in data analysis to…

Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure P6.2…

A: Converting the given ERD into dependencies diagram is given belwo:  Initial dependency diagram:…