Test Data: collection of test input values that are

consumed during the execution of a test, and expected

results referenced for comparative purposes. Test data may

be any kind of input to application, any kind of file that

is loaded by the application or entries read from the

database tables. It may be in any format like xml test data,

system test data, SQL test data or stress test data.

Test Case : A set of test inputs, execution conditions, and

expected results developed for a particular objective, such

as to exercise a particular program ...

Test cases is a sequence of steps to test the correct

behavior of a functionality/feature of an application