Slides:



Advertisements
Similar presentations
Normalisation.
Advertisements

Relational Terminology. Normalization A method where data items are grouped together to better accommodate business changes Provides a method for representing.
Step By Step Lei Yang Computer Science Department.
Example T1: T2: Constraint: Susan’s salary = Jane’s salary
PMIT-6102 Advanced Database Systems By- Jesmin Akhter Assistant Professor, IIT, Jahangirnagar University.
Normalization Practice Yong Choi BPA CSUB. 1NF Customer_IDNameAddressCompany Name 104Mr. Ray Suchecki 123 Pond Hill Road, Detroit, MI, CSUB 624Mr.
1 times table 2 times table 3 times table 4 times table 5 times table
Seminar #1 – Refreshing databases concepts and SQL CM036: Advanced Databases1 Seminar 1: Revisiting Databases and SQL Purpose To refresh basic concepts.
Week 6 Lecture Normalization
CMS Human Resources Labor Cost Distribution 8.9 Training.
CHAPTER 7 Database: SQL, MySQL. Topics  Introduction  Relational Database Model  Relational Database Overview: Books.mdb Database  SQL (Structured.
Q1: What is DBMS and explain its architecture. Q2: Explain Data Independence in detail. Q3: What is database user and explain the types of database user.
Relational databases and third normal form As always click on speaker notes under view when executing to get more information!
Avoiding Database Anomalies
Copyright Ó Oracle Corporation, All rights reserved. Normalization Use the student note section below for further explanation of the slide content.Use.
Database Normalization Lynne Weldon July 17, 2000.
BTEC National Extended Diploma1 IT Systems Analysis and Design Entity Relationship Diagrams.
5. Database Design Lingma Acheson Department of Computer and Information Science IUPUI CSCI N207 Data Analysis Using Spreadsheets 1.
Database Management System Quiz 1. A company needs to store information about: the employees identified by EmpNo, Name, Salary and Phone; departments.
MS Access. Access is a DBMS/RDMS DBMS = Database Management System RDMS = Relational Database Management System.
Normalizing Your Database CPT 242. Normalization The procedure where the developer analyzes the data and establishes the table structure to create the.
“How to Speak HR” HR for Non-HR Users J Matthew Hawkins, HR Data & Resource Manager UNC School of Medicine.
Chapter 56 Relational Database Design Compiled by Eddie Moorcroft.
Progettazione Logica Giorgio Ghelli. Logical modeling2 The relational data model All data in flat tables of rows with a primary key (access operators:
Relational Algebra Sample Questions.
Excel Skills for Interpreting Your Data for HR Presenter: Mary Martin.
$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.
April 20022CS3X1 Database Design Normalisation (1) John Wordsworth Department of Computer Science The University of Reading Room.
Tables Learning Support
1 Introduction to SQL *Plus Oracle SQL Interface MIS309 Database Systems.
NORMALIZATION Handout - 4 DBMS. What is Normalization? The process of grouping data elements into tables in a way that simplifies retrieval, reduces data.
Structuring Data A Study of Primary Keys and Foreign Keys, Normalisation and Duplicated vs Redundant Data.
Lecture # 16 Chapter # 10 Normalization Database Systems.
Flat file and relational databases Flat file database In a flat file database information is held in a single table. Student IDStudent name GenderDOBCourse.
Presentation Title.
QNT 351 Week 3 DQ 5 What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees’ age,
Presentation Title.
Relational Normalization Theory
COMP3017 Advanced Databases
SEEM3430: Information Systems Analysis and Design
Part IV: Logical Database Design
Comparison Operators Relational Operators.
Payroll Management System
Times Tables.
Quiz 2 (Database Design)
Generalization.
Examples of normalization
Question 01 A company database needs to store information about employees (identified by NIC, with salary and phone as attributes), departments (identified.
Normalization Practice
Normalization Practice ANS
Third Normal Form (3NF).
Examples of normalization
Chapter 8 – Part2 Database Design.
Group 1 Group 1 Group 1 Group 1 word word word word word word word word word word word word word word word word word word word word word word word.
Week 9 – Databases.
Chapter 8 – Part2 Database Design.
Title of Study Presenter names Major department names
Lecture 16 : The Relational Data Model
Additional Practices Table Descriptions and Data.
Create a nested v look up
Lecture 16 : The Relational Data Model
B Table Descriptions and Data.
Introduction to Relational databases
Presentation Title Your information.
3 times tables.
6 times tables.
Database Management System
Problem #2: Print or display a list of all records where the year of birth is greater than 1980 and the marital status is married.
Normalization Practice
Normalisation Un-normalised Data (UNF or 0NF) Data Attributes:
Presentation transcript:

1NF Tables: Repeating Attributes Removed Project Code Employee No. Employee Name Department No. Department Name Hourly Rate PC010 S10001 A Smith L004 IT 22.00 S10030 L Jones L023 Pensions 18.50 S21010 P Lewis 21.00 PC045 S10010 B Jones 21.75 18.00 S31002 T Gilbert L028 Database 25.50 S13210 W Richards L008 Salary 17.00 PC064 23.25 17.50 S10034 B James L009 HR 16.50 Project Code Project Title Project Manager Project Budget PC010 Pensions System M Phillips 24500 PC045 Salaries System H Martin 17400 PC064 HR System K Lewis 12250