dida – database practice lesson 3 – objectives look at how at the different ways of adding data...
TRANSCRIPT
DiDA – Database practice
Lesson 3 – Objectives
• Look at how at the different ways of adding data to a database.
• Learn how to import data into access• Learn how to record research
DiDA – Database practice
Import
• Import on computers means “to bring something that is in a different format into a program”.
• For databases we can import something known as a comma delimited file– Sometimes known as a CSV file– “Comma separated values!”
DiDA – Database practice
CSV files
A CSV file will look like this.Each row represents a single records and fields are separated by comma’s
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How the CSV works
Title ID
Title
Genre
Artist
Album
Track number
Year of release
Duration
EffortRating
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Want to type it?
• Clearly to type in this data would take a long time!
• We will use access’ import feature to do this for us.
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Step 1 – Start import
Go to External data then click on text file
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Step 2- Select the CSV file
You can get the file from http://dida.pwnict.co.uk/example%20work/database/Tracks.txt
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Step 3 – Select append
Make sure you select append and choose your table!!!!
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Next and finish!
• Then just click next and finish!
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Check the results
Finally see if you have 214 records
Check this in datasheet view
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If it failed...
• Check the following– Have you got your fields in the correct order– Are your validation rules correct– Are your field sizes correct?
• You can find the field list here• http://dida.pwnict.co.uk/analysis/step1.html
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Activity
• Import data into your database• You can use this PowerPoint OR• http://dida.pwnict.co.uk/analysis/step4.html
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Using your form
• Next task is to use your form to add two music tracks of your choice.
Make sure you research the tracks!
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Recording research
• We are going to use a sources table to record your research.
• You can find a blank copy here
• http://dida.pwnict.co.uk/word%20docs/sourcesTable.doc
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Adding some Metal!
I want to add Iron maiden – Bring your daughter to the slaughter to the database.
I found the details I need on amazon.co.uk
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Needed information
It clearly states release date and duration.However it was not released in 2006!
NOT ALL INFORMTION IS ACCURATE!
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Accuracy is important!
Another search brought up the date 24th December 1990 on Wikipedia.
Can we trust this source?
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Finding more than one source
• To ensure the information we find is correct we should find MORE than once source.
• That way we know it is correct!
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Sources table
Item – What you have looked for
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Sources table
Where found – The FULL web address (URL) of where the research was found
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Sources table
P/S – Primary or secondary. If found on the web it is secondary
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Sources table
Permission required – If you copy a image / music then you need to get permission. If you just getting ideas or information then you do not need permission.
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Sources table
You only fill this in if you need permission
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Sources table
Description. – What have you found and why do you need it?
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Sources table
Produced by – Who made the source?
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Sources table
Editing – Have you edited the source?
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Sources table
Where used – Where did you use the source
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Activity
• Choose two music tracks to add to your database.• Find two sources for EACH track (so 4 in total) to
find– The duration of the song– Year of release– Album title– Track number– Etc
• Fill out the sources table and add the tracks to your database using your form.
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Help for sources table
• http://dida.pwnict.co.uk/sourcesTable.html
• If you need extra help you can use the above website.