Handling Schema Names in Source and Target of Informatica

on Source side :

Owner Name  :  SCOTT (Schema)

Source Table Name  : Emp (table)

On Target Side :

Table Name Prefix : Scott(schema)

Target Table Name  :  DEPt (schema)

On Lookup :

Lookup table name  needs to be changed.

Keep the OWNER name infront. ie

Example  : 

Lookup table name  :  SCOTT.LOCATIONS

Table looking priority if no owner name is provided

1) Under own schema

2) Public synonym.