From Wikipedia, the free encyclopedia. A data mart is the access layer of the data warehouse environment that is used to get data out to the users. The data mart is a subset of the data warehouse and is usually oriented to a specific business line or team. Whereas data warehouses have an enterprise-wide depth, the information in data marts pertains to a single department.
A snail's diet varies according to its natural habitat. A land snail is usually herbivorous and feeds on a variety of vegetables, fruits and soft barks. Other species of snails, such as the wolf snail, are carnivores and may even eat herbivorous snails. Snails, like other living things, need water to survive but can do with just a little amount of water. Continue Reading.
Sea-living slugs eat jellyfish, only to collect their nettle cells and to use them for their own defence. Angel-like translucent snails swim through the sea and eat other snails, which catch their plankton prey with a net. Themselves they are eaten by fish and whales and so are an important link in the ocean's food chain. There is a marine predator slug which eats other snails without a tooth in its mouth. There are 43,000 gastropod species on our earth today, measuring between a millimetre and 75 centimetres. Snails not only live on land, but also in freshwater and in the sea.