Computers: Understanding Tech 6e 12.3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| data model | An abstract entity that defines the structure of information to be contained in a database, how the database will use the information, and how the different items in the database relate to each other.
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| flat file database | A traditional data file storage system that contains only one data table or file.
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| relational database | A model used by most modern databases in which fields with similar data can be connected between data tables or files in the database, making it possible to retrieve data from the related tables.
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| tuple | The name of each record in a relational database.
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| attribute | The name of a field in a relational database.
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| object-oriented database | A type of database that stores data in the form of objects (units of object-oriented programming logic).
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| multimedia database | A type of database that allows the storage of pictures, movies, sounds, and hyperlinked fields.
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| OLAP Cube | An array of data that structures data in multiple dimensions.
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| multidimensional database | A type of database that uses a cube structure to organize data, and is typically optimized for online analytical processing (OLAP) applications.
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| XML database | A type of database in which the fundamental database structure consists of XML documents and elements, rather than tables.
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| web database | A type of database used to hold information that will be accessed via a specific web page opened in web browser. The web database may function on the organization’s local network or via the web.
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| hybrid database | A database that may use different models together to allow more effective data handling.
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| operational database | A database system that works by offering a snapshot of a fluid situation. It usually tracks a changing operation or situation, such as the inventory of a store.
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| distributed database | A type of database that spreads its data across multiple networked computers, with each one storing a portion of the data. It can hold more information and allows for cheap and easy expansion, as for public cloud computing.
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| data warehouse | A database that stores data gathered from one or more databases, creating a vast storage space for information to be used in a variety of ways. It receives only periodic updates, or may rely on data from other sources for updates.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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