What is the difference between TADOQuery and TADOTable?

Question

What is the difference between TADOQuery and TADOTable?

first example

int number = 0;
Query->SQL->Clear();
Query->SQL->Add("SELECT number FROM Parameters ");
Query->Open();
number = Query->FieldByName("Number")->AsInteger;
Query->Close();

second example

TableParameters->Open();
int number = TableParameters->FieldByName("Number")->AsInteger;
TableParameters->Close();