Presentation on theme: "D ATABASES – L ESSON 3 Key Stage 3 ICT. S TARTER Starter -Try and fling the teacher. In Lesson 3 folder, run the file named “Starter – Open and closed."— Presentation transcript:
D ATABASES – L ESSON 3 Key Stage 3 ICT
S TARTER Starter -Try and fling the teacher. In Lesson 3 folder, run the file named “Starter – Open and closed questions”
O BJECTIVES Know about and be able to use data types correctly Know about and be able use validation rules Know about sorting records in queries. O UTCOMES All: Will have recorded the error messages for validation errors Most: Will have customised validation error messages Some: Will have created queries that sort the data.
H ERE IS YOUR MISSION … You need to find out about students favourite: Fruit Drink Number You must design a questionnaire, using a range of open / closed questions. Vowel Colour Subject Secret Word
T ASK 1 – P ART 1 Log into your and create an to send to 7 classmates. The should ask them the following questions. What is your favourite; FruitDrink Number VowelColour Subject And ask them for a secret security word You MUST use a range of OPEN and CLOSED questions. For closed questions, use square brackets for responses. E.g. [ ] Cheese [ ] Bacon [ ] Eggs For open questions, simply leave a gap. E.g. Favourite Sweet:
T ASK 1 – P ART 2 Enter the usernames of five people in the class, in the TO box, separated by a comma. (e.g. 13SmithR, 13JonesP, 13TothK) Give your a suitable subject. Send your . Tell the recipients, they have new !
T ASK 1 – P ART 3 Reply to any messages you get by completing their questionnaires and sending it back to them. CHANGE THE SUBJECT TO: QUESTIONNAIRE COMPLETED.
T ASK 1 – P ART 4 Open the Favorites Database FROM My documents ICT Year 7 Databases Lesson 3 Enter one of questionnaire results you get back PLUS one record for yourself.
D ATA T YPES - C ONTAINERS In your kitchen would you store flour in a bowl? How about tomato ketchup in a bag? How about pasta in a egg basket? Each type of food has its own container…. Exactly the same for Databases Demo this on the favourites database.
W HY DO WE USE VALIDATION. T ASK 3A In your booklets, write 2 reasons for using validation. Queries need exact matches Get the students to list all the terms of boys – Then explain how difficult it would be to write a query to match. Making sure we get sensible data – if we want your age then only allow numbers.
T ASK 1 – P ART 5 Open the design view of the table by right clicking on the table name and selecting Design View.
D ATA T YPES - C ONTAINERS We store numbers in Open questions in Such as Name
D ATA T YPES - C ONTAINERS Closed questions in Such a favourite Vowel Choose “I will type values in.” Enter the vowels and click Finish
A DD V ALIDATION AND ADD YOUR DATA – TASK 3B As you are adding your data from your surveys…. Try to store a numbers in the name field? Try to store some text in the favourite number Try and enter a consonant in the favourite vowel Print screen the 3 error messages into your booklet.
C REATE A Q UERY Double click the fields you want in your query 5 Add your criteria, and Click the cross to save your query – don’t forget to name it.
A DD SORT Design a “All students” query. Your can sort the order of records in your queries. Select ascending and see the effect. The records should be sorted from A to Z. Print screen the results of your query.
W RITE Q UERIES TO SELECT. – T ASK 3C.. If you want to – look back at the queries you did in the last lesson in your booklet. 1. Select all records in your database. Hint. Do not add any criteria. Sorted Alphabetically from A to Z. Name it “All students” 2. Select students that have the same favourite subject as you, sorted by subject from Z down to A. Name it “Favourite subject”. Hint use a wild character “*”. 3. Use a parameter query to select Favourite Colours. Name it “Favourite Colour” and sort the records by favourite vowel.
P LENARY (RANDOM) Try the plenary quiz in your booklets.