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Technical English Unit 4 LOGO LOGO Contents Click to edit Master text styles 1 Database basics 2 Data Processing 3 Date storage & backup 4 Database systems benefits LOGO Click to edit Master text styles 1 Database basics What is database? a large amount of information stored in a computer system. Some kinds of database products: Professional: telephone directories, dictionaries, encyclopaedias, weather databases, earthquake monitoring, Bloomberg financial information Personal: Internet Movie Database, hotel booking websites, eBay accounts, telephonewww.themegallery.com bills, family pictures LOGO Language Click to edit Master text styles can Could you help me please? Please could you help me? could would Would you help me with this software? Please can you explain how to do it? www.themegallery.com LOGO Click to edit Master text styles Why do people and organizations use databases? • to organise information (for example, family albums, sales invoices) • to share information in the most effective way (for example, dictionaries, ticket booking, client data) • to protect information (for example, authorising access, deleting unwanted data) • to work with information (for example, using Photoshop to modify family photos) • to use information/data for analysis (for example, for marketing plans) • to use data in the future (for example, to give family photos to children, to predict the weather) • to retrieve information in the future (for example, to give information about traffic fines for licence renewal or insurance) • to modify data to analyse something (for example, in medical labs, for material testing) www.themegallery.com LOGO 2 Data Processing Click to edit Master text styles arranging data into table format for analysis Tabulation double-checking and cleaning data Validation entering data into a system Entry double-checking and cleaning data Coding arranging and systematising data Sorting gathering raw data to process Collection www.themegallery.com LOGO www.themegallery.com