18 Vocabulary WordsA database is a piece of software that organizes, stores and retrieves information.A relational database is a particular variety of database that works by connecting tables to each other. It is the most popular form of database and the type we will discuss most in this class.Databases model your information by implementing the idea of types, attributes, and value patterns.Databases store information in a highly organized way, sort of like a file cabinet.Databases allow you to query information by asking questions about what information you have.Databases let you retrieve information so that your results can be displayed and worked with.A table in database terminology basically corresponds to a type.A column in database terminology basically corresponds to an attribute.A data type in database terminology basically corresponds to a value pattern.A database schema shows all the tables, columns and relationships in a database.Databases add values to a column or rows to a table to store information.Databases delete values from a column or rows from a table to remove information previously stored.Another term for a database row is a “record.”We already talked about querying and retrieving information, but how do those processes actually happen? To understand database querying, it’s helpful to know the basics of structured querying language, or SQL.The SQL word SELECT lets you state which columns you want to retrieve.The SQL word FROM lets you state which tables you want to retrieve columns from.The SQL word WHERE lets you state which rows you want to retrieve.A template is a “blank” page into which values from a database (or other source of info) are “pasted” in.InstructionsBy now you should be pretty familiar with the vocab words of this module. So, you should be able to use them properly and creativelyRead over the vocabulary words one more timeCompose and type in a story that shows you really understand each of the wordsBe creative but be sure what you type shows you understand (not just can type) the wordsUse all the vocabulary wordsType them exactly as they are typed above (same pluralization, capitalization, tense, etc.)Get an Eval for your story. For the best EvalUse all the wordsMake sure you use the words in a way that really shows you understand themWord count about 300. The story should be creative! And there should be a protagonist!
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