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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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Customers CustomerID INT ◆ FirstName VARCHAR(50) ◆ LastName VARCHAR(50) H > Email VARCHAR(100) > Address TEXT Indexes F | Orders OrderID INT > CustomerID INT > OrderDate DATE ◆ TotalAmount DECIMAL (10,2) Indexes # ShippingInformation ShippingID INT > OrderID INT → ShippingAddress TEXT ShippingDate DATE -K > EstimatedArrivalDate DATE → ShipmentStatus VARCHAR(50) Indexes Reviews ReviewID INT > ProductID INT > CustomerID INT ◆ Rating INT Comment TEXT > DatePosted DATE Indexes OrderDetails OrderDetailID INT ▶I > OrderID INT HI-KO ProductID INT → Quantity INT Subtotal DECIMAL (10,2) Indexes T Categories CategoryID INT ◆ CategoryName VARCHAR(255) Indexes Products ProductID INT -H ProductName VARCHAR(255) > Description TEXT ◆ Price DECIMAL (10,2) -I+ CategoryID INT > DiscountID INT Indexes Discounts DiscountID INT ◆ Discount Code VARCHAR(50) ◆ Discount Percentage DECIMAL (5,2) > StartDate DATE > EndDate DATE Indexes For the design above, Write in SQL a query to print customer names who made…
Hi, I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have. Please be advised I am using PostgreSQL. Thus, I must use LANGUAGE PLPGSLQ as that is what the professor is looking for. Thank you for your help. Code CREATE TABLE instructor_course_nums (ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25)); CREATE TEMPORARY TABLE instructor_course_nums (ID VARCHAR(5),name VARCHAR(20),tot_courses INTEGER); CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc(INOUT i_ID VARCHAR(5))LANGUAGE PLPGSQLAS$$
Create a MySQL stored procedure to validate an attempt to create a new submission. The stored procedure should have parameters for the user, the user’s password, the id of the problem, the programming language (as a varchar), and the source code. An output parameter returns the result of the submission, which is one of the strings that can return or “Bad Parameters”, which handles cases such as incorrect password for the user, or the attempt to submit using a language that the program does not support (e.g., Malbolge or Visual Basic). The stored procedure can simulate the program judging process: if there is no Bad Parameters error, then randomly choose between Accepted, Wrong Answer, Time Limit Exceeded, and Run Time Error with equal probability. The submission should gets recorded in the database.
A static data structure is expected to be used in this application. Then identify a situation when a dynamic data structure might be useful.

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