exploring microsoft access 2003 chapter 1 introduction to microsoft access: what is a database?

Exploring MicrosoftAccess 2003

Chapter 1

Introduction to Microsoft

Access: What Is A Database?

Objectives (1 of 2)

• Define field, record, table and database

• Start Access, describe windows and objects

• Add, edit, and delete records• Describe record selector

Objectives (2 of 2)

• Explain importance of data validation

• Apply filter and sort on one or more fields

• Describe relational database; identify one-to-many relationships

Overview

Every organization uses data Intro to database management Introduction to Access Operations to maintain a database Database power with multiple tables

Introduction to a Database

• Defining a database• Database window in Access• The seven items in window: Tables,

Queries, Forms, Reports, Pages,Macros, Modules

Database WindowMenu Bar

Toolbar

Databasewindow

Object button

Tables

•Design view used to create fields

•Datasheet view used to add, edit, or delete records

•Each column represents a field

•Records are recorded in rows

Design View

Primary key

Field names

Data type

description

Field property

Tables

• Record selector symbol next to current record shows status

• Triangle indicates saved to disk

• Pencil indicates you are typing

• Asterisk appears next to last blankrecord in table

Tables

• Insertion point: where text isentered

• Primary key: unique identifier foreach record

• Access automatically saveschanges when you move to next record

Datasheet View

Triangle indicatesData has beensaved to disk

Current Record

Total Number of Records

Introduction to Access

Hands-On Exercise 1

• Welcome to Windows• Obtain the Practice Files• Start Microsoft Access• Open the Books Table

Introduction to Access

Hands-On Exercise 1 Continued

• Moving Within a Table• Add a Record• Add a Second Record• Print the Table• Exit Access

Maintaining a Database

• Replace command

• Find command• GIGO (Garbage

In, Garbage Out)• Data Validation

•Delete record•Add record•Undo command•Office assistant

Maintaining a Database

Hands-On Exercise 2

• Open the Bookstore Database• The Find Command• The Undo Command• The Delete Command• Data Validation

Maintaining a Database

Hands-On Exercise 2 continued

• Open the Books Form• The Replace Command• Run a Query• Print a Report• Office Assistant

Relational Database

• A relational database uses multiple tables

• Example of one-to-many table:

• One publisher owns many books

Database Form

CommandButtons

Go ToFirst Record

Go To Next Record

Report

Filter By SelectionThese Records Were Sorted in Descending Order by Salary

Only part of the records are displayed

Relationships Window

FieldNames

One To ManyRelationship

Tablenames

Chapter 1 Summary

• Databases are multiple, related tables

• Six object types: Tables, Forms,Queries, Reports, Macros, and Modules

• Tables: Design view or Datasheet view

• Record Selector Symbol for recordstatus

• Data validation is critical

Practice with Access

1. Employee database2. Bookstore database3. United States database4. Super Bowl database5. Look Ahead database6. Companion Website

Case Studies

• Planning for Disaster

• The Common User Interface

• Garbage In, Garbage Out

• Changing Menus and Toolbars