Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on the score as follows: grade F if score < 40, grade C if 40 ≤ score < 60, grade B if 60 ≤ score < 80, and grade A if 80 ≤ score. Write SQL queries to do the following:a. Display the grade for each student, based on the marks relation.b. Find the number of students with each grade.

Q: Write SQL queries DDL Queries to implement the following Relational Model i.e. create the Nurse and…

A: According to the Question below the Solution:

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Q: Write SQL queries DDL Queries to implement the following Relational  Model i.e. create the Nurse…

A: DDL SQL Query: Data Definition Language  DDL Commands: Create  Drop Alter Truncate Comment Rename

Q: Consider the following schema (keys are underlined): Product(pid , name, type, manufacturer, price),…

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A: a) π(Customer) (( σ(Product.manufacturer = 'Sears' Product) ⋈ Customer ⋈ Buys )

Q: Consider the following schema and write the following queries in relational algebra. Product(pid,…

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Q: Questi on 1: Consi der the fol l owi ng schema: Suppl i er s( si d: i nteger, sname: stri ng, addr…

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Q: Find the result relation of the above query

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A: As per the question statement, We need to write Sqlite query for the requirement.

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A: This question comes under Database Management Systems To write an SQL query to compute the temporal…

Q: PLZ help with the following: IN SQL Let R (A, B, C) be a relation schema. What happens if we…

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A: ANSWER:

Q: Question 1 : Consider the following schema:             Suppliers(sid: integer, sname: string,…

A: SQL : It stands for structured query language. It is used to communicate with application to…

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A: 1-G 1. R U  S === G. (From the given quetion) SELECT * FROM R UNION SELECT * FROM S;

Q: Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on…

A: SELECT query can be used to find the number of students with each grade. SQL WITH clause can be used…

Q: SQL Server provides with three views to display the relations in an SQL Server database. These views…

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Q: 1.Write a SELECT query to find all the data of students with name Anum.

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Q: Q2 Consider the following relations: BRANCH (branch no, street, area, city, degree, Tel_no, Fax_no)…

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A: PART I : Database and Table creation This demonstration is using SQL Server 2014 for database and…

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Q: Consider the following relations: BRANCH (branch no, street, area, city, degree, Tel_no, Fax_no)…

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A: The SQL Queries are as follows:

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A: Here is the solution for the above program.

Q: Consider the library database of Figure 3.20. Write the following queries in SQL.Find the average…

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Q: Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on…

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A: We are given a relational query and we are going to find its equivalent sql query. Note: Not In…