A database is a collection of information resources (journal articles, books, book chapters etc) organised so it can be easily searched, accessed, managed and updated.
Databases help you to find high quality, up-to-date journal articles that have been published by respected publishers and publications.
If you have been asked to find scholarly articles for your assignment, you will need to search the library catalogue or more importantly, a database!
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Knovel contains some of the leading engineering reference handbooks, databases, and conference proceedings covering a range of subjects in science, technology, and engineering. It provides access to a collection of full-text books and databases from many publishers including CRC press, McGraw-Hill, Institute of Physics, Royal Society of Chemistry, Butterworth-Heinemann, Kluwer, Reed Elsevier, and John Wiley & Sons.