主观

We have all used physical databases since our grammar school days. Grammar school is known today as grade school or elementary school. Our class year-books, telephone books, shoeboxes full of receipts documenting various bills we have paid—these are all databases in one form or another, for a database is nothing more than a collection of information organized to allow retrieval (取回)of that information in certain ways. Anyone who is well organized has a better chance of succeeding in college or in the business world.

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