Question

Contract database class? in simple word​

Answer 1

Explanation:

A contract class defines constants that help applications work with the content URIs, column names, intent actions, and other features of a content provider. Contract classes are not included automatically with a provider; the provider's developer has to define them and then make them available to other developers.

Answer 2

Answer:

database is use to perform the function of the computer . it is also use in the shower