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.
Most species of slugs are generalists, feeding on a broad spectrum of organic materials, including leaves from living plants, lichens, mushrooms, and even carrion. Some slugs are predators and eat other slugs and snails, or earthworms.
Habitats and Diets of Snails. With 35,000 different gastropod species classified, there's a lot of variety in snail habitats and diets. Snails, which are all gastropods, have adapted to life on land, fresh water and salt water. Most snails are omnivores, while others are herbivores or even carnivores.