b88774c0_cation___SharePoint_Automation__Description
[Parameter Name] databasename [Short Form] dn [Required] No [Example Usage] -databasename SharePoint_Portal_Content -dn SharePoint_Portal_Content [Description] 
The name of the content database. If not specified then a database will be created using "SharePoint - #" where # is a random number.
Create Web Application « SharePoint Automation
Description