Joins Database Design Element comparison records with Database records to produce a unique database row for each design element difference detected in the database. Design Element Differences are the result of comparing each database's design against the design of some specified Reference database. Design Element Difference fields are prefixed: "DED_". Fields from the Target Database Design Element are prefixed: "TDE_". Fields from the Reference Database Design Element are prefixed: "RDE_" and database specific fields are prefixed "DB_".