A （1） is a collection of logically related data （2） that is organized so that its contents can easily be （3）, managed and updated.Database is often abbreviated （4）.Traditional databases are organized by （5）, records and files. A field is a single piece of （6）;a （7） is onecomplete set of fields; and a （8） is a collection of records. For example, a telephone book is analogous to a file. It contains a （9） of records, each of which consists of three fields:name, address and telephone number.A database consists of one or more files.For （10）, database of hospital includes a telephone book and a drug list,etc.