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Extended Learning Module

J (Office 2007 Version)

Implementing a Database with Microsoft Access

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SOLOMON DATABASE

The steps to creating a database are

1. Define entity classes and primary keys

2. Define relationships among the entity classes

3. Define fields for each relation (file)4. Use a data definition language to

create the database, which is the focus of this Module

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SOLOMON DATABASE

In Figure J.1 (p. 2) on the following 3 slides, we’ve recreated the correct database structure from Extended Learning Module C

Revisit Module C if you need a refresher

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SOLOMON DATABASE

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SOLOMON DATABASE

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SOLOMON DATABASE

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Creating Solomon’s Database

Data dictionary - contains the logical structure for the information

To create the Solomon Enterprise database:

1. Start Microsoft Access2. Click on Blank Database in the upper

left corner of the screen3. Enter Solomon Enterprises.mdb as

the database name4. Click on Create

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Creating Solomon’s Database

Click on Click on Blank Blank DatabaseDatabase

Enter a Enter a database name database name

and click on and click on CreateCreate

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Creating Solomon’s Database

Our recommendation: Create a relation (table) in Design view: Must switch from Datasheet View

to Design View Click on View in the upper left

corner and then Design View Enter a table name Use the Design View to enter the

specifications for the table

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Creating Solomon’s Database

To switch to To switch to Design View, click Design View, click on on ViewView and then and then

Design ViewDesign View

This is Design View – This is Design View – our recommendation our recommendation for creating the tables for creating the tables

in a databasein a database

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Creating the Raw Material Relation

Enter the four fields of the Raw Material relation Raw Material ID Raw Material Name QOH Supplier ID

Click on the Raw Material ID row and then the key button to designate Raw Material ID as the primary key

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Creating the Raw Material Relation

Primary key identifier and Primary key identifier and the the Primary key Primary key buttonbutton

Integrity constraints for Integrity constraints for Raw Material IDRaw Material ID

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Creating the Concrete Type Relation

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Creating the Bill of Material Relation

We created (in Extended Learning Module C) the Bill of Material relation to eliminate the many-to-many relationship between the Concrete Type and Raw Material relations

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Creating the Bill of Material Relation

The Bill of Material relation has a primary key composed of two fields (composite primary key): Concrete Type Raw Material ID

Composite primary key - consists of the primary key fields from the two intersecting relations

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Creating the Bill of Material Relation

Composite Composite primary keyprimary key

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DEFINING RELATIONSHIPS WITHIN SOLOMON’S

DATABASE The final structural task is to

define how all the relations relate to each other

That is, link primary and foreign keys

Foreign key - a primary key of one file (relation) that appears in another file (relation)

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Primary and Foreign Key Logical Ties

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Defining Relationships between Relations

To create relationships Click on Database Tools in the

menu area and then click on the Relationships button

Make each relation appear on the palette by highlighting each relation name and clicking on Add

Then click on the Close button

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Defining Relationships between Relations

Relationship Relationship palettepalette

Select tables Select tables and click on and click on

AddAdd

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Defining Relationships between Relations

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ENTERING INFORMATION INTO SOLOMON’S

DATABASE To enter information, you simply

double-click on the appropriate relation name

Supplier relation Supplier relation structurestructure

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Entering Information

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Referential Integrity

Referential integrity ensures consistency. For example, that you don’t put a non-existent Supplier ID into the Raw Material relation

The relationships we set up for referential integrity guard against bad information

Integrity constraints – rules that help ensure the quality of the information

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Enforcing Referential Integrity

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Change the Structure of a Relation

Click on Click on ViewView and and then then Design View Design View

and make the and make the necessary changesnecessary changes

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CREATING A SIMPLE QUERY USING ONE

RELATION Query-by-example (QBE) tool

- helps you graphically design the answer to a question

Suppose we wanted to see a list of raw materials that shows Raw Material Name Supplier ID

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Creating a Simple Query Using the Raw Material

Relation

First, click on First, click on CreateCreate and and then then Query DesignQuery Design

Second, select the table, Second, select the table, click on click on AddAdd, and then , and then

close the box.close the box.

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Creating a Simple Query Using the Raw Material

Relation

The result of the The result of the queryquery

Drag and drop the appropriate Drag and drop the appropriate field names and then click on the field names and then click on the

exclamation point (exclamation point (RunRun).).

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Creating a Simple Query with a Condition

Set the condition Set the condition herehere

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CREATING AN ADVANCED QUERY USING MORE THAN ONE RELATION

Suppose we want a query that shows All order numbers Date of orders Where the goods were delivered The contact person The truck involved in each delivery The truck driver in each delivery

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Steps to Create an Advanced Query

1. Click on Create in the menu area and then Query Design

2. In the Show Table dialog box Select and Add the relation names Close the Show Table dialog box Tables linked appear are joined by

lines with 1 beside the table with the primary key The infinity sign by the table with the

foreign key

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Steps to Create an Advanced Query

3. Drag and drop the fields that you want from the appropriate relation into the QBE grid in the order that you want

4. Click on the exclamation point (Run) in the button bar to see the results of the query

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Steps to Create an Advanced Query

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Steps to Create an Advanced Query

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Steps to Create an Advanced Query

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GENERATING A SIMPLE REPORT

1. Click on Create in the menu area and then the Report Wizard button

2. Choose tables and/or queries: Lets you choose which table/query you want

3. Choose fields: Lets you choose the fields you want

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Grouping, Sorting, Layout of Report

4. Grouping: Lets you specify grouping of information (we chose the default)

5. Sorting: Allows you to specify sorting (we chose the default)

6. Layout and orientation: Allows you to select layout and page orientation (we chose the default)

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Style and Header of Report

7. Style: Allows you to choose from among predefined report styles (we chose the default)

8. Report header: Allows us to enter a title for the report.

9. The Report: Shows all customers and phone numbers.

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Choose Table/Query and Fields

1. Start to create a report1. Start to create a report

2. Choose tables and/or queries2. Choose tables and/or queries

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Choose Table/Query and Fields

3. Choose fields3. Choose fields

4. Grouping4. Grouping

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Grouping, Sorting, Layout, Style, and Title

5. Sorting5. Sorting

6. Layout and orientation6. Layout and orientation

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Grouping, Sorting, Layout, Style, and Title

7. Style7. Style

8. Report Header8. Report Header

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Grouping, Sorting, Layout, Style, and Title

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REPORT WITH GROUPING, SORTING, AND TOTALS

Say we want to create the Supply Chain Management report from Extended Learning Module C

First, create a query Then, put the query into the

report generator

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Steps for Creating a Report with Grouping,

Sorting, and Totals1. Click on Create in the menu

area and click on the Report Wizard button

2. Choose tables/queries: Query: Supply Chain Query

3. Choose fields: Select all fields by clicking on the double greater-than sign (>>)

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Specify Table/Query Fields

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Grouping and Sorting Information

4. Top-level grouping: Allows you to choose ordering. Since we created a query, Access has defaulted to the first field

5. Further grouping: Lets you specify groups within the top grouping of Concrete Type, but we don’t want any further grouping

6. Sorting: Next we have a chance to sort our information

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Steps for Grouping Information

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Steps for Sorting Information

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Totaling Information in a Report

7. Totaling: The sorting screen also has a Summary Options button

Within Summary Options you can choose what type of summary you want

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Totaling Information in a Report

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Formatting the Report

8. Overall structure of report: Allows you to choose the layout and orientation

9. Style of report: Allows you to choose a style

10. Report heading: Allows you to enter the title that will appear on the report, then click on Finish

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Formatting the Report

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The Report

11. The Report: Shows the information from the wizard steps

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Refining the Report

Steps to adjust the report to make it aesthetically pleasing Open the report in Design View

with the triangle button Adjust the boxes to the desired size Delete unwanted entries

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Refining the Report

Click on Click on Design Design ViewView to see the to see the report in design report in design

formatformat

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Adjusting the Page Header

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Adjusting the Concrete Type Header

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Adjusting the Detail Section

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Adjusting the Concrete Type Footer

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The Completed Report

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CREATING A DATA INPUT FORM

1. Select the Order table2. Click on Create and then Form

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Choose Table/Query

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Final Input Form