Subject: Database Management System Consider the following relations: PERSON(P_id,_F_name, L_name,Occupation, Salary, City) ORDER(O_id, P_id, Item, Quantity, Price, Order_date) The Primary Keys are P_id and O_id respectively. Express the following queries in SQL and Relational Algebra. a) Find the person's name and city

Q: Specify the following queries on the database in Figure 5.6 in SQL. (a) Retrieve the names of…

A: •For the first query, we need the names of all the employees in department number 5 who work more…

Q: Write a PL/SQL block of code that performs the following tasks: i. Read a movie id provided by user…

A: First, we create the Movie table with the above mention attributes and insert some data: and then…

Q: Employee_Id, First_Name, Last_Name, Email, Phone_Number, Hire_Date, Job_Id, Salary, Commission_Pct,…

A: a. To get the average salary and number of employees working in department 90, we can use the…

Q: and express in Relational Algebra each of the questions below: Grades StudentId CourseCode…

A: Q9.

Q: List the grades of students who studied the course having the code “ITDR2106” in the semester…

A:

Q: Consider the following sales relational database schema for sales. tem (ItemNo: integer, itemName…

A: Below is the answer of the above query. I hope this will be helpful for you...

Q: Study the relational schema: CUST(ID, Name, ProdID) PROD(ProdID, PName, Price) Which of the…

A: option(B) is the correct option.

Q: The relational database schemas are as follows: department(dept-name, building, budget)…

A: Given : The relational database schemas are as follows:department(dept-name, building,…

Q: Explain how referential integrity is represented in relational model?

A: Referential integrity means the values of a column in one table is referred by another column in…

Q: Consider the following relational schema and answer the following questions. User (email, name,…

A: Below is the complete solution with explanation in detail for the given question about SQL queries…

Q: 1.Use the AP database for this question. Write a SQL query that displays the AccountNo and Account…

A: since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 5) Which students took multiple courses from Zafer Erenel but not a single course from Vesile Evrim?…

A: select student.name,takes.course_id from student INNER JOIN takes ON takes.ID = student_ID AND INNER…

Q: query in relational algebra to find the ID and the brand of those trucks whose type is S.

A: It is procedural query language. It collects instance of relation as input and fives occurrences of…

Q: Use the following relational schemas for answering the queries in relational algebra; STUDENT(ID,…

A: Query for the given conditions: SELECT ID , Phone FROM STUDENT WHERE name LIKE '%Kumar%' Here Its…

Q: Member (MemberID, Name, ContactNo, Status, Sex) Borrow (BorrowNo, MemberID, CatalogNo, CheckOut,…

A: This question would use nested sql queries from three tables as we are required to display: Book…

Q: 1.list names of students who did not registered any course. 2.list names of students who registered…

A: 1. list names of students who did not register for any course. Answer: SELECT name FROM Student…

Q: Explain how referential integrity is represented in relational model?

A: Referential integrity states that relationships between tables should be consistent. Referential…

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

A: Solution::   Query 1 - Relational ALgebra   π cname σ manufacturer = 'sears' Customer ⨝ Customer.cid…

Q: Given the following relational schema (primary keys are underlined, optional attributes are…

A: b. Given relational schema: TRAINER (SSN,NameT, Surname, City) GYM (CodG, NameG, Address, City)…

Q: Write a PL/SQL block of code that performs the following tasks: i Read a movie id provided by user…

A: the solution is an given below :

Q: Consider the following relational schema and answer the following questions. Employee (Employee_Id,…

A: SQL (Structured Query Language) is used for managing and manipulating relational databases. SQL…

Q: From the above student table, find the students whose status is registered but not postponed using…

A: We are going to find those students whose status is registered but not Postponed. And we are going…

Q: Consider the following relational schema and answer the following questions. Employee (Employee_Id,…

A: The SQL query is given below for the above given question:

Q: Using the instance of the Airport database, formulate the following queries in the relational…

A: Your query is given below as you required.

Q: Using the relational database given in lab work no. 2, write the following queries in SQL: 1) Which…

A: Structured Query Language(SQL) A very-high-level language, in which the programmer is able to avoid…

Q: Assume a database of Employees of a company have been given as shown below: Employee: Projects:…

A: Structured Query Language is abbreviated as SQL or also pronounced as See-Qwell. It is developed for…

Q: Simplify the following query (WHERE clause), expressed in SQL, on the example database above: SELECT…

A: This query achieves the same result as the original query but is simplified by using INNER JOINs to…

Q: use the information above to: With the aid of Microsoft SSMS (SQL Server Management Studio), create…

A: Create both database schema and insert 10 records into each relation for each database are give…

Q: ) Consider the following relations: BRANCH (branch_no, street, area, city, degree, Tel_no, Fax_no)…

A: Create database company; Create table BRANCH(branch_no int primary key, street varchar(20), area…

Q: All parts of this question use the following database schema: Flights(flno, from, to, distance)…

A: SELECT MIN(salary),e.ename FROM Aircraft a JOIN Certified c ON a.aid=c.aid JOIN Employees  e ON…

Q: Table Schema: Amazon_Item (P#, P_NAME, SELL_PRICE, QTY) Amazon_Supply (S#*, P#*, SUP_PRICE)…

A: According to the given problem statement we have to create a SQL query to find the find the product…

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.