Discussion: Databases
There are four system databases created: Model, TempDB, MSDB, and Master. Summarize the purpose of each system database. In your opinion, which is the most critical? What could happen if one of these is missing?
The response should include a reference  list.  Double-space, using Times      New Roman 12 pnt font, one-inch  margins, and APA style of writing   and    citations.