Download presentation
Presentation is loading. Please wait.
Published byGeorgina Morrison Modified over 9 years ago
1
Alighieri: Introduction to MS Access 1 What is a Database? RELATIONAL DATABASE A database is an organized collection of information. A database is designed in such a way that it makes it easy for a computer to find information very quickly. Search engines such as Google and Firefox, for example, are multi-million entry databases.
2
Alighieri: Introduction to MS Access 2 Other Database Use Examples iTunes Amazon Video Games Any company that sells products or collects customer information online. Wikipedia DSHS student information system
3
Alighieri: Introduction to MS Access 3 What can a database do? Store millions of pieces of data Can retrieve data quickly Can reorganize data for easy presentation and analysis
4
Alighieri: Introduction to MS Access 4 Objects of an MS Access Database TABLES QUERIES FORMS REPORTS
5
Alighieri: Introduction to MS Access 5 TABLES In a relational database, data is separated into tables that consist of records. This table has 3 records
6
Alighieri: Introduction to MS Access 6 TABLES Some important terms. This is a Field This is a row, each row represents 1 record. This is an entry In this example, the VendorID field is the Primary key.
7
Alighieri: Introduction to MS Access 7 Designing a Relational Database Determine what information should be stored Divide information into named tables Determine the relationship among the tables Define the fields and determine the primary key for each table
8
Alighieri: Introduction to MS Access 8 Divide Information into Named Tables Group related information into separate tables For example, a database for a clothing store might have the following tables Inventory Information Customer Information Sales Information Items Returned Information Group related information into separate tables For example, a database for a clothing store might have the following tables Inventory Information Customer Information Sales Information Items Returned Information
9
Alighieri: Introduction to MS Access 9 Divide Information into Named Tables Inventory TableCustomer Information Table Transactions Table
10
Alighieri: Introduction to MS Access 10 Determine the Relationship Among Tables When 2 tables contain the same field, they are said to be related How are the following tables related?
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.