Despite the fact that the efforts and costs to try to deliver those of SMS were higher than for delivere SMS messages. That is. the operator made several attempts and only after that returne the status not delivere. Moreover. many careless advertisers. taking advantage of the fact that billing is for delivere SMS. starte sending […]

On relatively small amounts of data these queries will be processe quickly and with an increase in the size of the database they will slow down. The reason lies in the attachment mechanism. It is base on a line by line comparison of two or more tables according to the join condition for example the […]