What Is a Database And How Do I Use it?

What Is a Database And How Do I Use it? — page 7
LinkedIn Skype WHAT IS A DATABASE AND HOW DO USE IT CoMPUTER DATABASEs Before computers all databases were simply written down on paper or in books just like a dictionary Paper databases are useful but they have many drawbacks Today computers are used to overcome these difficulties PAPER PROBLEMS Paper databases are often big and bulky As they grow you have to find more space to store all the entries Paper records or book pages are also lost or damaged very easily PROBLEM SoLVING Computer databases are quick reliable and much smaller than paper databases If you need more storage space you can buy another hard drive the part of a computer that stores data and add it to the database system You can also back up your files onto another hard drive A VARIETY OF USES A lot of organizations use computer databases At many hospitals for example doctors use databases to access read and update their patients medical records The police also use databases to keep records of criminals Io