Database Tables Assignment, computer science homework help

Select a topic below and post an original thread of 300 to 450words each in this weeks discussion forum. 1.What is a factless fact table and how many typesare there?2.As you finish your data model is itextensible? As the next project rolesout, is your physical model flexible enough to be built out, without rework?3.Are there any attributes that should be added toaid in auditing data as its loaded?4.What is table partitioning and how might you useit to aid in performance or maintenance of your tables as they grow?Note: APA Format and No Plagerisim.