2 Keywords Data Process/ed Information Database Computerised database Paper-based databaseAdvantagesDisadvantagesBriefly, discuss skills and qualifications generally sought in sector…any questions? (7mins)
3 Lesson ObjectivesTo understand what data is and how it is used (i.e. generate information)To understand what information isTo be able to identify and discuss what a database is and its purposes (i.e. store data, manipulate and generate information)To identify the advantages and disadvantages of paper-based and computerised databases
4 Starter: CAN YOU UNSCRAMBLE THESE WORDS? ADATMIOFNRATNIOSEBATADAPCDUMOTEREIS
5 What is data? Linda: 23011999, 14, 34 Andrew: 05082001, 13, 33 Data is words, dates, numbers or images collected about a location or object.What kind of data do you think the numbers below represent?Linda: , 14, 34Andrew: , 13, 33Cynthia: , 15, 38Name, Date of birth, Age, Shoe size
6 What is information?Information is data that has been processed to be useful and meaningful.To change data into information we have to place it in context and provide answers to who, what, where and when questions.
11 What is a database?A database is like a library – it stores pieces of information called a record.It is a collection of data that is structured – so that its contents can be accessed, managed, updated and presented.
12 QuestionsHow many of you have ever kept details of your friends’ or family’s birthdays in a birthday book?How many of you have written your friends’ addresses into an address book?How many of you have a copy of the Yellow Pages at home?What is the difference between computerised and paper-based databases
13 Can you think of examples of paper-based databases? These examples are of paper-based databases. However, when we use the term 'database' we generally think of a computerised database.
14 In pairs, think of some advantages of paper-based databases Inexpensive to set upDon’t need electricity, so you can record data even if there is a power-cutDon’t need a computer – which is expensive
15 In pairs, think of some disadvantages of paper-based databases Can be lost or damagedIt is not easy to make back-up copiesHard to update or make changesCard systems can get in a muddle if cards not replaced in the correct orderCan take a while to search for a particular record
16 Can you think of a few examples of computerised databases? Here are two examples used by the museum
17 Computerised databases Museum databases These contain records for every object in the museums’ collections.In order to find the right websites, search engines need a vast computerised database which they search using your entered keywords.
18 Think of some advantages for computerised databases Can easily make back-up copiesCan easily make changesCan easily sort data into order e.g. alphabeticallyCan search for particular records very quicklyCan import or export data to/from other packages
19 Think of some disadvantages of computerised databases Can be lost or damagedCan be expensive to set up if you have to get a professional to make itIf there is a power-cut, you can’t use it (unless of course the battery is charged)You need to have a computer
20 Database case studyWe can search a database to find the information we are looking for.What kind of information do you think your school database has about you?
21 Research taskIn a Word document, explain how the following professions and organisations use databases:DoctorsSchoolsLibrariesMuseums
22 Plenary Let’s play dominoes Working in pairsYou have each been given a card with a question on one half and an answer on the other. Is the answer given true or false? Explain your answer.