CHAPTER 1 What Is a Database and as a winner and Sales and a man in a game means there is no a alarm database is a col lection of informa tion that is organized OTI and stored on a com puter This information is also called data which is why the col lection is called a database This data is organized in a special Databases can hold a wide variety way where information of information This can include is interconnected This local state and regional police reports and terrorist tracking means that each piece START
WHAT Is A DATABASE of data is related to others in some way Users can easily find all the information on a par ticular subject Databases can also search for data by categories called fields Some databases store written data Books speeches and other documents are examples of written data Other databases store mainly collections of numbers These databases may include prices sports statistics or personal spending and saving Information on a database can be added changed deleted and retrieved by a user Another way to use a database is to simply store informa tion so that it When it comes to computers retrieved means finding and can be used at a collecting information from a later time
How Do I USE A DATABASE TYPES OF DATABASES There are many different kinds of databases The largest databases are usually run by and used by government offices WIIIIID and schools These A hold information such as reports S phone numbers addresses and sta tistics Commer cial databases are also very large A forensic scientist uses a database to They are used to run a sample of DNA at a crime lab conduct business online known as
WHAT Is A DATABASE e commerce Commercial databases help busi nesses keep track of information such as how many sales are made prices and the prod ucts they have in stock These databases may also hold infor mation on employees or Customers Reference data bases such as those used by libraries I guide users to the Databases are housed on computers location of information These databases can help people gather sort and retrieve information in books magazines and other
