2. The following relational schema form a university database which isimplemented in a relational database:student (s_ID, s_name, semester, year)department(d_ID, d_name, floor)course (c_code, c_title, d_ID, credits)Write down the Relational Algebra for the following queries:a) Find your own name using your own registration number as the student ID.b) Show the ID and name of the department located at the floor number equals tothe last digit of your own registration number.c) Find the codes and titles of the courses having credits more than 3 credits.d) Find the name of all students from your own semester and year.

Here have to determine about sql query for given problem.

Answered: The following relational schema form a…

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter2: Database Design Fundamentals

Section: Chapter Questions

Problem 11RQ

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3. The following relational schema form a university database which is implemented in a relational database: student (s ID, s_name, semester, year) department(d_ID, d_name, floor) course (c_code, c_title, d_ID, credits) Write down the SQL commands for the following queries: a) Find the titles of all courses from your own CSE department using subquery. b) Show the department names starting with “C" and ending with “g". c) Sort the number of courses for each department in a descending order. d) Insert your own information into the student table.
LAB DBI DATABASE
The relational schema shown below is part of a hospital database. The primary keys are highlighted in bold. Patient (patientNo, patName, patAddr, DOB)Ward (wardNo, wardName, wardType, noOfBeds)Contains (patientNo, wardNo, admissionDate)Drug (drugNo, drugName, costPerUnit)Prescribed (patientNo, drugNo, unitsPerDay, startDate, finishDate) for CONTAINS nad PRESCRIBED table , which one is primary key and how to create table ?
The relational schema shown below is part of a hospital database. The primary keys are highlighted in bold. Patient (patientNo, patName, patAddr, DOB)Ward (wardNo, wardName, wardType, noOfBeds)Contains (patientNo, wardNo, admissionDate)Drug (drugNo, drugName, costPerUnit)Prescribed (patientNo, drugNo, unitsPerDay, startDate, finishDate) Formulate the following SQL statements: a) Find the names of all the patients being prescribed ‘Morphine’.b) What is the total cost of Morphine supplied to a patient called ‘John Smith’?c) For each ward that admitted more than 10 patients today, list the ward number, ward type and number of beds in each ward.
Assignment III (5%): Design of the conceptual model (ERD) from the given relational database. (Note: students has to give appropriate labels on relationships and type of relationships between the entities) Use the same Assignment- I schema to perform the PL/SQL programs Q1. The management of the organization has decided to increase the salaries of all employees to 15% for this, write a PL/SQL block to accept the employee number and to update the salary of that employee. Display the output based on the existing records of the employees. (2 marks) Q2. having the employee age above 40 years. (2 marks) Create a PL/SQL a cursor program that will increase the employee salary to 25% who are Q3. where place belongs to Ibri, dunk or Yanul (hint: Project (projectID. projectName, place, start Year, end Year, #DepartmentID) (2 marks) Write a PL/SQL procedure to change the name of the project to "AL Dahariyah Projects"
SQL
Write the appropriate SQL query for each of the following questions: A) Display ALL the activities organized by the IT club B) Display the number of students who are acting in each club.
A database at a college must support the following requirements: a. For a department, store its number and name. b. For an advisor, store his or her number, last name, first name, and the department number to which the advisor is assigned. c. For a course, store its code and description (for example, DBA210, SQL Programming). d. For a student, store his or her number, first name, and last name. For each course the student takes, store the course code, course description, and grade earned. Also, store the number and name of the student's advisor. Assume that an advisor might advise any number of students but that each student has just one advisor. Design the database for the preceding set of requirements. Determine any functional dependencies. List the tables, columns, and relationships. In addition, represent your design with an E-R diagram.
name PERSON address salary fee EMPLOYEE STUDENT thesis RESEARCH TEACHING POST GRAD UNDER GRAD Year = 4 FINAL YEAR LECTURER TUTOR SUPERVISOR project courseno PART II: University Database in MYSQL • Create a database and its tables and constraints based on the relational model of PART I. • You can use my slides and any other resources to complete this exercise. • Submit the SQL statements you used to create the database and its tables (you can copy/paste directly from the mysql console).
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SQL stands for Structured Query Language and may alternatively be pronounced as See-Qwell. It was designed to be used with relational database management systems (RDBMS). SQL is a database language used for a variety of database-related tasks, including database creation/deletion, data retrieval/modification, and so on. Data manipulation in SQL is accomplished via the use of queries.
How do you make the relational schemas for this problems? I got all the other information. D.

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