In fact, trying to cancel a record is not always obvious or user_friendly as the ESC (escape) key has a two folded response; the first to the field your cursor is active and second the entire record. Yes, you can undo record changes but this should not be relied upon. It does provide automatic relationship links between your tables providing you are using primary keys and other linked fields between tables correctly without the need to manually intercede.
Forming & operating corporations is more costly and complicated as compared to partnerships and sole proprietorship. However, they have some benefits too. The principal feature of LLC and corporation which attracts some small businesses is the limit which they provide on owners' personal liability for court judgments and business debts against the business. Another feature can be income taxes; you can establish an LLC or corporation in a manner which lets you enjoy favorable tax rates. In addition, a corporation or LLC may be able to provide many fringe benefits to employees & deduct the costs as business expenses.