Maximo offers the ability to create imported view based on existing database view. 

How to create imported view:
 
Step 1 : Note down the view name for the existing database view 
Step 2 : Navigate to System Configuration -> Platform Configuration -> Database Configuration
Step 3 : Click on new object
Step 4 : Enter the below details

Object : Enter the existing view name captured in step 1
Description : Enter a valid description
Extends Object : Enter the valid object (Note : Object's primary key fields should exist in the database view definition)

Step 5 : Run and complete Database configuration

Expected Result:
The view will be created in Maximo based on the existing database view definition. The Imported checkbox will be checked for the created view.

Key Benefit :
This feature reads the database view definition and import the definition in Maximo by creating respective object properties and attributes