Database Design Scenario Currently a school uses a non-computerised database system to store the following information about its students: roll class‚ surname‚ first name‚ guardian ’s name‚ address‚ student ’s date of birth‚ gender‚ sport house‚ emergency-contact telephone number‚ mailing name‚ list of subjects offered‚ and subjects in which the student is enrolled. The system takes up a large amount of space‚ has many duplicated entries some of these with mistakes and it is time consuming
Premium Database SQL Data modeling
an introduction to database architecture and relational databases. The introduction covers the basic concepts of database design and management‚ focusing on the steps that a database designer should follow when creating a database for use with an application‚ addressing the basic tasks encountered by a database administrator‚ and identifying and discussing some of the aspects of ongoing database management. In Week One‚ you are introduced to a variety of different database architecture types
Premium Database SQL Relational model
Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
Premium SQL Database Relational database
Birth control is a method used to prevent pregnancy. There are many types of birth control such as the pill‚ Depo‚ and patches. None of these types of birth control are 100%‚ but it does help in preventing pregnancy and abortion. Birth control pills are prescribed by a doctor and is taken every day at a certain time. Birth control pills prevent ovulation which is needed in order to become pregnant. The pill also thickens the mucus around
Premium Abortion Pregnancy Miscarriage
My Level of Integrity Dwight D. Eisenhower once said‚ “The supreme quality for leadership is unquestionably integrity. Without it‚ no real success is possible‚ no matter whether it is on a section gang‚ a football field‚ in an army‚ or in an office.” I firmly agree with what this quote says. It is saying the greatest quality that a leader could have is integrity. When a leader does not possess this particular quality‚ then they will not succeed. Integrity is the foundation of all values and morals
Premium Family Mother Morality
Database Design Paper “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store large amounts of records well‚ but be accessed easily. In addition‚ new information and changes should also be fairly easy to input.” (tech-faq.com); to ensure usefulness over the long-term‚ databases should be built with high data integrity and the ability to recover data if the hardware fails. Information that
Premium Relational model Client-server SQL
Student Name Class Comp230 Date 5/12/13 Windows CLI Commands Lab Report NOTE: Please use Carriage Returns and Page Breaks as needed to prevent box contents from extending across page boundaries. Task 1: Displaying IP Configuration Settings Open the Windows Command Prompt using the desktop or the Taskbar icon. Maximize the size of the CLI. Use the ipconfig /all command to determine the following IP configuration settings for “Wired” Ethernet NIC: IP Address: 10.254.115.100
Premium IP address Subnetwork
Objective: By the end of the lesson‚ leaner should be able to; 2.1 Explain how electronic transactions can reduce paperwork and delay(advantages ). 2.2 Examine how EDI has developed and laid the foundations for b2b e-business. 2.3 Evaluate the use of different Electronic Payment Systems. 1 Electronic Transactions Bringing this concept into perspective by answering the question. What is Electronic Transactions? (Class discussion). An act of buying or selling something or sending money electronically
Premium Electronic commerce Money Credit card
Relational Database Design By Paul Litwin This paper was part of a presentation at a Microsoft TechEd conference in the mid-1990s. It was adapted from Microsoft Access 2 Developer’s Handbook‚ Sybex 1994‚ by Ken Getz‚ Paul Litwin and Greg Reddick. Reprinted with permission of the publisher. While the paper uses Microsoft Access (version 2) for the examples‚ the vast majority of the discussion applies to any database and holds up pretty well over 11 years after it was written. Overview Database design
Premium Relational model Database normalization Data modeling
Database management Homework 1 Chapter 1. Getting started A. Create a simple list of owners and properties. B. Describe modification problems. There are three problems. First is deletion problem‚ second is update problem‚ third is insertion problem. Deletion problem is when you want to delete data‚ you may lost too much data. Update problem is when you want to update data‚ the sheet may have inconsistent data. Last insertion problem is when you want to insert some data‚ you must
Premium Relational model SQL Data modeling