STUDENT INTERNSHIP TABLE StudentID StudentName EmployerID EmployerName Axel Alarm Axel Alarm Banex Inc Banex Inc Banex Inc Calypso Corp 111 222 333 444 555 666 Joe Mike Sue Pat Bob Joe A A B B B C PositionID 1 2 2 1 1 1 Position Description Sales Intern IT Help Desk Intern Sales Intern Front Desk Intern Front Desk Intern Marketing Specialist Intern

Q: 1) The manager of an international company would like to know the quantity sold for each product and…

A: 1.

Q: Relation Schema: o (Selection) | T (Projection) | N/U7- (Set operations)| M (Join operation)…

A: The question given above is the multipart question. We will solve the first three for you, if you…

Q: Exercise 4.4 Consider the Supplier-Parts-Catalog schema from the previous ques- tion. State what the…

A: 1. Selects the sname from sid whose colour is red and the cost is less than 100 from the parts and…

Q: For the following table for student grades, create a relational data model after normalization using…

A: Here our task is to create the given table in mysql which follows 3 NF. Here as we can observe…

Q: what is relational model representation of ER/EER model?…

A: Given: What is the ER/EER model's relational model representation?

Q: i) manufacturer → model Answer: i) MID — сараcity Answer: iii) model → capacity Answer: iv) MID →…

A:

Q: Note the imperfect table below, try to pass through the set of stages in normalization to get a…

A: Normalization is a database design practice that decreases data redundancy and removes unwanted…

Q: there is no information provided for the solution ,in the question says:  The output of the…

A: The required PL/SQL function is defined in the next step.

Q: Why is it not possible to represent N:M relationships with the same strategy used to represent 1:N…

A: Given:   Why is it not possible to represent N:M relationships with the same strategy used to…

Q: Provide a query that can tell me the min and max grades assigned by each professor

A: Answer in step2

Q: MID manufacturer model capacity AID AID MID name count Вoeing Boeing Воeing Airbus 1 777 340 1 AA 1…

A: In natural join tables are combine bases on the same name and type of columns. Example in table…

Q: Take the university schema SQL query: select avg(salary) - (sum(salary)/count(*)) from teacher…

A: The AVG function calculates the AVG of the data by ignoring the null values in it. So, the possible…

Q: If you want GROUP BY statement to filter some result of aggregation what clause you would use and…

A: Solution:   Use of GROUP BY clause:   With the support of certain functions, the SQL GROUP BY…

Q: Describe a situation  that could be solved by using EXPLAIN QUERY PLAN. How would this work? How…

A: The EXPLAIN QUERY PLAN SQL command is used to get  high level description of the strategy  that SQL…

Q: Models Airlines Fleet manufacturer model capacity Воeing Вoeing Вoeing MID AID AID MID Acgunt name 1…

A: We have three relational tables Models(MID,manufacturer,model,capacity) Airlines(AID,name)…

Q: Please do the normalisation for attached ERD in 1NF, 2NF, 3NF by showing the new table getting from…

A: Given Entity Relationship relationship contains 5 entities that are Membership, Toy, Hire, Toy copy…

Recovery and Performance of Network

A network is a group of peripherals, computers, servers, network devices, mainframes, and other devices that are connected to allow electronic communication, and data and resource sharing. The computer network connects the devices either by using cables or wireless fidelity to transmit, share, or exchange both resources and data.