Preface
“Language is by its very nature a communal thing; that is, it expresses never the exact thing but a compromise—that which is common to you, me, and everybody.”
—Thomas Earnest Hulme, Speculations
Learning how to retrieve information from or manipulate information in a database is commonly a perplexing exercise. However, it can be a relatively easy task as long as you understand the question you’re asking or the change you’re trying to make to the database. After you understand the problem, you can translate it into the language used by any database system, which in most cases is Structured Query Language (SQL). You have to translate your request into an SQL statement so that your database system knows what information you want to retrieve ...
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