Answered: orms Addition, Subtraction Mu

Engineering

Computer Science

orms Addition, Subtraction Mu

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Given the following relation: Book (BooklD, Author, ISBN, Title) Write a PL/SQL block of code that performs the following tasks: i. Read a Book id provided by user at run time and store it in a variable. ii. Fetch the Author and title of the book having the entered id and store them inside two variables i. Display the fetched book author and title. T TTF Paragraph Arial 3 (12pt) ABC T T, e HTML CSS O f. Mashups
Write a SQL function that accepts a principal mortgage amount, an annual percentage rate (APR), and the number of years a mortgage will be paid back over. Calculate the associated monthly mortgage payment according to the following annuity formula: ? = ? ? + ? (1+?) ? ( −1 ) where: A = Monthly Payment Amount P = Principle (Initial) Mortgage Amount i = APR / 12 = Monthly Interest Rate n = years * 12 = Total Number of Payments Be sure to specify that data types of the input arguments have enough significant digits to account for realistic mortgage amounts (as large as in the millions of dollars) and APRs (down to the sixth decimal place will be sufficient). You must name your function: __monthlyPayment Where is your last name and is the day of the month you were born. This naming convention is merely meant to make the grading process easier, so that all of the functions, procedures, and triggers have unique names. How would I invoke this function? Below is an example of my function…
INFO 2303 Database Programming Assignment : PL/SQL Practice Note: PL/SQL can be executed in SQL*Plus or SQL Developer or Oracle Live SQL. Question: Write an anonymous PL/SQL block that will delete all patients for doctors that works in the Family Practice Verify that patients have been deleted accordingly. Then do a select * from patients where doc_id = (select doc_id from doctor where area = ‘Family Practice’. You should get no rows. Patietn table: CREATE TABLE PATIENT(PT_ID NUMBER(3),PT_LNAME VARCHAR2(15),PT_FNAME VARCHAR2(15),PTDOB DATE,DOC_ID NUMBER(3),NEXTAPPTDATE DATE,LASTAPPTDATE DATE,CONSTRAINT PATIENT_PT_ID_PK PRIMARY KEY (PT_ID),CONSTRAINT PATIENT_DOC_ID_FK FOREIGN KEY(DOC_ID)REFERENCES DOCTOR); INSERT INTO patient VALUES(168, 'James', 'Paul', TO_DATE('14-MAR-97'), 432, TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient VALUES(331, 'Anderson', 'Brian', TO_DATE('06-MAR-48'), 235,TO_DATE('01-JUL-03'), TO_DATE('01-JUN-03'));INSERT INTO patient…
Fill the blanks with the suitable PL/SQL statements that correct each of the errors that appear in the given PL/SQL program. declare vAddress employee.Address%vRoWTYPE; ( . . . . . . . . . . . . . . . . . . )begin select ename , address into vAddress from employee where salary = 1500; ( . . . . . . . . . . . . . . . . . . . ) DBMS_OUTPUT.PUT_LINE('NOM = ' || vEname || 'Adresse= ' || vAddress );exception when MANYROWS then ( . . . . . . . . . . . . . . . . . . . ) dbms_output.put_line(“This query returned many rows”); end;
Imagine that you are a database manager at a company that makes custom shirts. One column in the database lists the wholesale price of the shirts. A second column lists the labor charge, which is currently set to 11 percent of the wholesale price of the shirt. A third column lists the retail price of the shirt, which is the combination of the wholesale price and the labor charge. Write the statements that calculate the values that belongs in the second and third columns. How could you use a query to format these columns?
Oracle sql Task 2: Write a function that returns how old a book is Published before 2000 ->Book X by author Y is an old book Between 2000 and 2020 -> Book X by author Y is modern 2020 and later -> Book X by author Y is recently published X: book name Y: author name
Let's wa(k through a review of basic SQL syntax, using as an example the database that was mentionedearlier. This database has the following simple structure(* indicates a primary key):Courses: CourseID*, CourseName, TeacherIDTeachers: TeacherID*, TeacherNameStudents; StudentID*, StudentNameStudentCourses: CourseID*, StudentID*Using the above table, implement the following queries.Query 1: Student Enrollment Query 2: Teacher Class Size
how to filter based on a parameter in a sql function ?' I have the following sql function: CREATE FUNCTION Function.FunctionExample { @name UNIQUEIDENTIFIER = NULL, @date DATETIME = NULL, @seconddate DATETIME = NULL } RETURNS @returnTable TABLE { Code INT, Date DATETIME, SecondDate DATETIME } AS BEGIN INSERT INTO @returnTable { Code, Date, SecondDate } SELECT Date1 AS Date, Date1 AS SecondDate FROM Function.FunctionExample WHERE (@Date IS NULL OR CONVERT(DATE, FunctionExample.Date1) >= @Date) AND (@SecondDate IS NULL OR CONVERT(DATE, FunctionExample.Date1) >= @SecondDate) RETURN END What would I have to do If I wanted to filter based on the @name parameter ?
Develop a PL/SQL block that would go through all the employees from EMPLOYEES table who work in department id= 90 (there is suppose to be 3 employee who work in Department 90)- IN BEGIN END END SECTION; Execute 3 separate of SELECT statement one after the other. Each SELECT will pull first name. salary of each employee and store them in local variables.+ SELECT LOAD INTO v_firstname1, v_salarxlWHERE emrlexee.id=100 Then second WHERE emploxee.id3101+ SELECT first_name, salary INTO v_firstname2, v_salary2 Then third + SELECTSELECTI tirst.name, salary INTO v_firstname3, v_salary3 iin WHERE emploxee id=102 ..... You must now have 6 local variables. DECLARE all of them accordingly in DECLARE section and use them in BEGIN and END.+ Then add another SELECT statement in BEGIN-END to find company average salary SELECT xa(salary) INTO aKasal FROM EMPLOYEES; !!! Do not forget to create y avgsal local variable in DECLARE section.
Question 13 Given the following relation: Movie (MovielID, Title, Genre, Year) Write a PL'SQL block of code that performs the following tasks: i. Read a movie id provided by user at run time and store it in a variable. i. Fetch the Genre and title of the movie having the entered id and store them inside two variables i. Display the fetched movie Genre and title. T T T T Paragraph v 3 (12pt) Arial T T O f. O Mashups HTHL CSS
Let's wa(k through a review of basic SQL syntax, using as an example the database that was mentionedearlier. This database has the following simple structure(* indicates a primary key):Courses: CourseID*, CourseName, TeacherIDTeachers: TeacherID*, TeacherNameStudents; StudentID*, StudentNameStudentCourses: CourseID*, StudentID*Using the above table, implement the following queries.Query 1: Student Enrollment Query 2: Teacher Class Size