Reverse Auction Defined. You probably think you have a good understanding of how most auctions are done. For example, you may have bid on a product you found on eBay. If another person wants the same item you want, she may bid higher than you to get it. Of course, if you still want the item bad enough, you may bid higher yet.
Custom Data Types: Ability to Create them in Setup. I would like to create my own data type in SalesForce. When we create a New Field, we have to choose from the built in options for example, Date, AutoNum, Checkbox, Picklists, text, lookup, etc.
An abstract data type is defined as a mathematical model of the data objects that make up a data type as well as the functions that operate on these objects. There are no standard conventions for defining them. A broad division may be drawn between imperative and functional definition styles.