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.
1 Slugs do play an important role in ecology by eating decomposing vegetation. 2  A slug lays 20-100 eggs several times a year. 3  Slug eggs can lay dormant in the soil for years and then hatch when conditions are right.  Gastropods form the second largest class in the animal kingdom, the largest being the insects.