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Mathstutor 2003-07
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Unit 2    Handling Data

Databases

Task 1     Task 2     Task 3     Task 4     Task 5     Task 6     Task 7    

 Task 8     Task 9     Task 10     Task 11     Task 12     Task 13     Task 14

The Database Scenario

JB Sports Limited.

Mr Brown was impressed by your IT skills in producing a holiday modelling spreadsheet, so he has asked you to design a database for some of their products. He wants you to do a prototype database on some of their footwear products to test to see whether it would be feasible to extend the database in time to all of the products that they sell.

Mr Brown has printed out for you the details of some of the most popular stock that JB Sports sells. Stock Sheets.

The Complete Task list for the Database.

Logos.

 

Task 1

Preparation.

  • Write a short introduction to this task, include what sort of data will be kept, what tables will be needed and how they will be linked together, why a database is more efficient and accurate than a paper based storage system, and what data will be accessed from it.
  • Using the data given to you by Mr Brown, write down your database table designs on the two blank forms:       (Suppliers & Products).
  • Create a folder inside your GNVQ folder and name it 'Unit2Database'.

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Task 2

Create a Suppliers Table in Access.

  • Open Microsoft Access as a blank database, and name it 'JB Sports'.
  • Create a table that holds the details of the suppliers, by using your written designs.
  • Create a Primary key, this should be the brand name of the product.
  • Name the table 'Suppliers', and save.

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Task 3

Create a Products Table in Access.

  • Create a second table that holds the details of the products, by using your written designs.
  • Create a Primary key, name the table 'Products', and save.

Suggested completed table designs.

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Task 4

A Relationship.

  • Build a relationship between the two tables by linking the two tables together.
  • The brand name should be a suitable link field. Use referential integrity to show a one to many link.
  • Save the relationship and screen print the results for your portfolio, ensure your name is written on it.

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Task 5

Evidence of Created Tables.

  • Use the main menu bar to create an analysis of the database so far. Use Tools > Analyse > Documenter, print off the results, ensure your name is on the print outs.

Task 6

Enter the Data into the two Tables and create Reports.

  • You may do this using one of two methods, you may enter by using the Tables, or you may enter by creating a Form. If you create a Form ensure it fits onto a single screen page, and use colour, shading, fonts to customise it. Which ever way you do it proofread your entries as this will save time later.
  • Create two reports for the two finished tables; sort the suppliers report alphabetically, and the products report numerically.
  • Print off both reports for your portfolio, ensure your name is written on them.

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Task 7

Searching for Information (Queries).

  • A customer is looking for shoes that are size 13, search the database for all shoes of this size.
  • You need the show the shoe size, the shoe name, the price, sale price if applicable, and company name.
  • Print a report of this search, and annotate to explain how you managed to design your query.

Task 8

Searching and Sorting.

  • A customer is looking for shoes that are White / Grey colour, and would like to see a list of shoes available sorted by lowest price order, search the database for these shoes.
  • You need to show the shoe colour, the name, the features, the price, and the company name.
  • Print a report of this search, and annotate to explain how you managed to design your query.

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Task 9

Complex Search.

  • A new supplier thinks she can deliver her shoes to the shop faster than another supplier. She has asked the manager what shoes he gets supplied from Bristol with a delivery date of more than a week.
  • Search the database for this criteria, (hint: you need to search from both tables).
  • You need to show the suppliers name and address, the shoe name, and the delivery.
  • Print a report of this search, and annotate to explain how you managed to design your query.

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Task 10

Search.

  • A customer is asking for a shoe that is lightweight with super grip and priced below £40.
  • Search the database to see if there is one available, include suitable fields in the search to give the customer the information he requires.
  • Print a report of this search, and annotate to explain how you managed to design your query.

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Task 11

Amend and Delete Records.

  • Ensure you have completed the preceding tasks before starting this task.
  • The sale prices for the Reebok shoes have replaced the normal prices, and the sale price is now blank, amend your database.
  • The Reebok Wire shoe has now been discontinued due to the long delay in receiving the future orders, delete the entry in the database.
  • Print a report for just the Reebok shoes only showing the new changes, and annotate to explain how you did it.

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Task 12

Extension.

  • Search for another supplier from the Internet and note the details of the shoes it sells.
  • Add these details to your database giving each a suitable reference number. Three or four new entries will suffice.
  • Print a report of your choice that includes your new products for your portfolio, annotate it to show what you did.
  • Keep a print out of your source material as evidence.
  • Produce a search of your own on your database, print off the report and annotate it to show what you did.

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Task 13

Files.

  • Check that you have done all of the tasks by going through your portfolio.
  • Create a back up folder to copy your work to, this could be a floppy disk.
  • Ensure that your database is saved in the appropriate folder, print out a screen shot of your files along with a screen shot of where your back up files are kept.
  • Your folder must contain print outs of all the tasks from 4 to 12, and screen print outs of your files.
  • Check your work against the Marks checklist to ensure you have completed the tasks.

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Task 14

Evaluation.

Write about a half page evaluating your database, use the list below for guidance:

  • Briefly state the purpose of the database;
  • Explain any problems you encountered in the design of your database and any changes you have made, or would like to make to improve the design;
  • Did you have to amend your design to include any searches;
  • Could you have made any more fields or tables to improve the effectiveness of the database;
  • Did you find creating a database easy or difficult;
  • How satisfied are you with the final result;
  • Is there anything else you consider important or necessary to comment on?
  • Finally do you think John Brown will be pleased with the results of your work?

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