Relational Database

A 

database

 in the form of 

table

 which have rows 

and

 columns to 

show

 the relationships between items, 

and

 in which information can be cross-referenced between two 

or

 more 

table

 to generate 

a

 third 

table

.

A

 query 

language

 is used to search for 

data

.If 

data

 is changed 

in

 one 

table

, 

it

 will be changed 

in

 all related 

table

.

A

 database that has only one 

table

 is called 

a

 flat file 

database

.