Wednesday, March 9, 2011

Chapter 7 Databases

-Google is a large database by Sergy Brin and Larry Page

-Database is a collection of information stored on a computer
-makes it easier to store information
-information can be organized
-Database program: a software tool for organizing the storage and retrievable info
-Data can be viewed through forms or lists
-input: retrieve data
browse: navigate through info
sort: rearrange records

-SQL structured query language: a standard language for programming
-specialized database: software preprogrammed for specific purposes
-PIM personal informational manager: electric organizer
-file manager: enables users to manipulate one file at a time
- database management system: allows you to edit more then one file a time
-relational database: a program is one that allows tables related to each other to be used
-networks make it possible for personal data to be shared

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