![]() Bob's id is "2" his name is "Bob" (no surprise!) and his team is the "Reds". These columns are called "fields".Īlso note that all the information in, say, the third line from the top "belongs to" one person: Bob. All these team designations are found in the third column only. We have decided Pico users will gang up into teams, and some belong to the Reds and some to the Blues. Likewise, the data in the second column is "all the same" - names. Note that the data in the first column is "all the same" - that is, they are all id numbers (serial numbers). The data - the information itself - has simply been written out in table form: The simplest implementation of Pico is shown below, inline in this text. Let us explore an example database that stores the users of an imaginary miniature version of Wikipedia, "Pico". ![]() These types of database are so common that we often see one without thinking of it as a database at all. ![]() ![]() Another example is a simple HTML table, consisting of rows and columns. The classic example of a flat file database is a basic name-and-address list, where the database consists of a small, fixed number of fields: Name, Address, and Phone Number. ![]()
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