DATABASES GLOSSARY
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- Binary Searches - Branching Databases are used to carry out Binary Searches. These are searches that use a series of YES/NO questions in order to arrive at the answer. If you have ever played Twenty Questions, then you have done a Binary Search!
- Branching Database (aka Binary Databases) - Often described as scientific databases, are structured in hierarchical trees.
- Chart - A sheet giving information in the form of a table or lists, or by means of diagrams or graphs.
- Classify - To arrange in or assign to classes, i.e. is it animal, vegetable or mineral.
- Criterion - Criteria are the rules or conditions you choose to limit which records are included in the result, i.e. right handed people only.
- Data - Another word to describe information, generally stored digitally, i.e. in your database.
- Database - A file for storing data, i.e. on Football or Countries.
- Field - A space for entering data, i.e. a name, age or hobby.
- File - A collection of information stored digitally on your computer with its own name. You can use files to store text, numbers, graphics, sound, or video.
- Filter - To hide irrelevant data; showing only those records that match a given criterion, i.e. eye colour blue, lives in London.
- Flatfile Database - Is the most simple database type, as it stores data in a single table.
- Graph - A pictorial diagram that shows differences in values when checking one thing against another, i.e. left handed people versus right handed.
- Order - To arrange in a particular way, i.e. alphabetical, numerical.
- Questionnaire - A questionnaire is any set of written questions in a form, designed for collecting information/data.
- Record - One complete entry in a database about a person, place, or thing. For example, a record can include the complete address of a friend.
- Search - A method of finding information in a document or database. For example, you can search through a document to find every occurrence of the word 'data'. Computers are great for this kind of searching because they never miss a thing.
- Sort - To arrange in a new order, i.e. from alphabetical to numerical.
- Survey - A survey is both the set of questions and the process of collecting, aggregating, and analyzing the responses to questions asked in a questionnaire.