Infer the choice of data structure in case you are running a clinic which looks afterpatients of all sorts. Is it a good strategy to serve patients on first come first serve basis?Justify your answer with logical reasoning.i.ii.Imagine you have a web-site which serves files to hundred thousand users. You cannotservice all requests; you can only handle say thousand at once. A fair policy would befirst-come-first serve: i.e. serve 1000 at a time in order of arrival. This implies you willhave to store incoming requests. Infer the choice of the most appropriate ADT.

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Infer the choice of data structure in case you are running a clinic which looks after patients of all sorts. Is it a good strategy to serve patients on first come first serve basis? Justify your answer with logical reasoning.

Infer the choice of data structure in case you are running a clinic which looks after patients of all sorts. Is it a good strategy to serve patients on first come first serve basis? Justify your answer with logical reasoning.

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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I have a database of 2 million+ music CDs. For each CD there is the title, the artist name (or various), and the list of tracks. Each track has a song name and an artist name. Other information (e.g., length of tracks, genre, notes) is available as well. • Your job is to create a front end incorporating the above scenario to help a restaurant.  It can be a front end to help select music  It can be a front end to help determine what CDs to buy.  It can be a front end to help order what to play in the restaurant. • Your team should produce one or more sample pages (depending on your application)  Produce simple HTML/CSS that implements a sample page
I have a database of 2 million+ music CDs. For each CD there is the title, the artist name (or various), and the list of tracks. Each track has a song name and an artist name. Other information (e.g., length of tracks, genre, notes) is available as well. • Your job is to create a front end incorporating the above scenario to help a restaurant.  It can be a front end to help select music  It can be a front end to help determine what CDs to buy.  It can be a front end to help order what to play in the restaurant. • Your team should produce one or more sample pages (depending on your application)  Produce simple HTML/CSS that implements a sample page  Both input (query) and output (result) pages as appropriate • Feel free to use html generation tools (or a simple text editor)  Dreamweaver, Pencil, Word, Chrome debugger.  Online tools: https://html-online.com, Google Docs (Sites, Forms).
Use the below description of a Car Club System (CCS) to answer the following questions. A Car Club Company (CCC) provides information to their customers about the nearest rental car companies with the available cars. The company intends to build a computerized system called Car Club System CCS). The system allows any member of the public, registered members, and CCC staff to browse a list of car rental companies online. Any member of the public can register to become members of CCS. Registered members and staff of CCC have to login in order to make bookings, cancel bookings, and update their details. Who are the stockholders in Car Club System? What does a use case diagram show? Draw a use case diagram of the Car Club System.
Imagine a database of students where the StudentID is the main key, and there are other indexes on Major, Age, Marital Status, and HomeZipCode (all secondary keys). Let's assume the institution wanted a list of MIS or computer science majors who were over 25 and married and were from the 45462 postcode code OR computer engineering majors who were single and were from the 45462 zip code. In any case, they wanted the list to come from the 45462 zip code. How can indexes be used to guarantee that individuals will only have access to the info that fulfills this prerequisite?
Q. Suppose we want to develop a browser-based training system to help people prepare for such a certification exam. A user can request a quiz for the system. The system picks a set of questions from its database, and compose them together to make a quiz. It rates the user’s answers, and gives hints if the user requests it. In addition to users, we also have tutors who provide questions and hints. And also examiners who must certify questions. List down the functional requirements of the above said system? Use Form based method for specifying “Make Quiz” functional requirement.
Suppose we have a database for an university. The requirements are as follows: • Professors have an SSN, a name, an age, a rank, and a research specialty. • Projects have a project number, a sponsor name (e.g., NSF), a starting date, an ending date, and a budget. • Graduate students have an SSN, a name, an age, and a degree program (e.g., M.S. or Ph.D.). • Each project is managed by one professor (known as the project’s principal investigator). • Each project is worked on by one or more professors (known as the project’s co-investigators). • Professors can manage and/or work on multiple projects. • Each project is worked on by one or more graduate students (known as the project’s research assistants). • When graduate students work on a project, a professor must supervise their work on the project. Graduate students can work on multiple projects, in which case they will have a (potentially different) supervisor for each one. The FDs for the above requirements are given as, • PSSN →…
Use the below description of a Car Club System (CCS) to answer the following questions. A Car Club Company (CCC) provides information to their customers about nearest rental cars companies with the available cars. The company intends to build a computerized system called Car Club System CCS). The system allows any member of public, registered members and CCC staff to browse a list of car rental companies online. Any member of public can register to become members in CCS. Registered members and staff of CCC have to login in order to make booking, cancel bookings, and update their details. Who are the stockholders in Car Club System? What does a use case diagram show? Draw use case diagram of the Car Club System.
consider a Scenario: A client wants a database for Order entry at his Shop, database contain information about customers, items, and orders. The following information is to be included. For each customer: (Customer number (unique), Valid shipping/delivery addresses (several per customer), Balance, Credit limit, Discount) - For each order: (customer number, ship-to/delivery address, date of order. Detail lines (several per order), each giving item number, quantity ordered - For each item: Item number (unique), Quantity on hand at each warehouse Item description Design a ER-Diagram (on paper or in MS word) from this above mentioned data. ERD must contain relation degree/constraints.
Following on your BIG break to make a database for an… organization that organizes table tennis tournaments (also known as “Tourney”s) at their premises on behalf of clubs, you’ve written down the business rules as follows: One Match belongs to One Tourney, and not none. One Tourney has Many Matches, at least one and a maximum of 128. One Match takes place on One Table, and not none. One Table is used in Many Matches, and possibly none. One Match belongs to one Category, and not none. One Category appears in Many Matches, and possibly none and a max of 32. One Match involves Many Players, minimum 2 and maximum 4. One Player plays Many Matches, and possibly none. You have also been given a small sample of their records (which is not in the least in relational format), which may prove useful. It is below. Match Number Tourney Tourney Start Date Day Time Slot In Day Player Names(Team 1) Player Names(Team 2) Player IDs (Team 1) Player IDs(Team 2)…
Draw an ER diagram using Cardinality Notation for the following description: A veterinary hospital only treats dogs and cats (use ISA). Clients have an address, phone number and client ID. Each pet has a name, a pet ID and belongs to exactly one client. Each client can have at most 5 cats and 2 dogs.
Consider the COMPANY database which keeps track of a company’s employees, departments, and projects:• The company is organized into departments. Each department has a unique name, a unique number and a particular employeethat manages the department.• A department controls a number of projects, each of which has a unique name and unique number.• We store each employee’s name, a national card ID, address, salary, and birth date. An employee is assigned to one department but may work on several projects, which are not controlled by the same department. We keep track of the number of hours per week that the employee works on each project. Aproject may involve more than one employee.• We want to keep track of the dependents of each employee for Insurance purposes. We keep each dependent’s first name, birth date and relationship to the employee.Answer the following questions about the COMPANY database.State clearly any assumptions that you may make.Draw the entity relationship diagram for…
The CSM Tech organization has a substantial web presence with several publicly accessible web and application servers. You have DNS servers that handle Internet queries for all your publicly accessible resources. However, after doing some statistics analysis on your public DNS servers, you find that your servers are handling recursive lookups for clients that are not within your organization. Your public DNS servers should handle recursive queries only for your internal clients, but the servers should handle iterative (nonrecursive) queries from external sources. What do you recommend? What are the commands needed to implement the solution?