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.
Essentially, the only difference between slugs and snails is that snails carry coiled shells on their backs while slugs don't. Both have eyes at the tips of short stalks arising below the base of much longer, more slender tentacles-these tentacles feel what the simple eyes may not see.ssentially, the only difference between slugs and snails is that snails carry coiled shells on their backs while slugs don't. Both have eyes at the tips of short stalks arising below the base of much longer, more slender tentacles-these tentacles feel what the simple eyes may not see.