In this article I'm going to explain the use of the analytic functions RANK, DENSE_RANK and ROW_NUMBER to rank the results of your query.
Crop diversification refers to the addition of new crops or cropping systems to agricultural production on a particular farm taking into account the different returns from value-added crops with complementary marketing opportunities. Major driving forces for crop diversification include: â¢ Increasing income on small farm holdings
Agriculture is important because it is the source of food (the major component of household expenditure in the Philippines) for the economy. Aside from that, it is the sou â¦ rce of foreign exchange, the number of laborers that can be absorbed , the source of raw materials for manufacturing and related industries, and a potential market for products of other economic sectors.