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Published byMalcolm Lynch Modified over 8 years ago
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ICT for IGCSE – Syllabus Cambridge IGCSE ® Information and Communication Technology0417
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Key concepts: Creating a database structure Manipulating data Presenting data
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Repeat and remember Files, field name, fields and record (Type of files, headline, column, row) CityInhabitantsDowntownVisitors Tokyo35 000 00017 000 0002 400 000 Seoul30 000 00012 000 0001 100 000 Delhi28 000 00014 000 000750 000 Shanghai24 000 00017 000 0004 500 000 Yantai7 000 0002 200 00035 Field name Table Record Fields
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Queries: A query is used to extract specific information from a database. Like a question that gives you the correct answers
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Alphanumeric/text Letters and numbers that you don’t use in calculations Numeric Used for true numbers, not like phone-numbers Decimal, Integer and percentage Currency Currency symbol attached Date/time Different timeformats to choose from Logical/Boolean Can only have two values (Yes/No, 0/1)
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