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Monthly Archives: October 2017

Advanced Database – Structured Query Language (SQL)

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Structured Query Language (SQL) is used to manage data within a database. It uses relational algebra to create commands that retrieve or maintain the data. Some examples of commands are CREATE – to create tables, RENAME – to rename tables, … Take lesson

Advanced Database – The ‘life cycle’ of a database

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Logical Design – must be carefully designed to incorporate all the data and applications needed, including possible future changes and developments. Define the output(s) required, then work backwards to include all the elements needed. Database Creation – set up tables, … Take lesson

Advanced Database – Database Development and Use

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Databases are systems used for the storage, maintenance and retrieval of data. In the modern ‘internet age’, databases are used widely to power ‘dynamic websites’, meaning prices, product details, mailing lists and other large groups of data can be easily … Take lesson



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