diff --git a/dmp-db-scema/DataManagementPlanDB.sql b/dmp-db-scema/DataManagementPlanDB.sql
index 9a97eae62..56fdc5e1d 100644
--- a/dmp-db-scema/DataManagementPlanDB.sql
+++ b/dmp-db-scema/DataManagementPlanDB.sql
@@ -447,12 +447,13 @@ ALTER TABLE ONLY "DatasetService"
     ADD CONSTRAINT "DatasetServiceServiceReference" FOREIGN KEY ("Service") REFERENCES "Service"("ID");
 
 
+DROP table if exists "UserDMP";
 DROP table if exists "UserInfo";
+DROP table if exists "UserAuth";
 
 CREATE TABLE "UserInfo" (
-    "autoid" uuid  DEFAULT uuid_generate_v4() NOT NULL,
-    "identification" character varying(500) NOT NULL,
-    "email" character varying(250) NOT NULL,
+    "id" uuid  DEFAULT uuid_generate_v4() UNIQUE NOT NULL,
+    "email" character varying(250) UNIQUE NOT NULL,
     "authorization_level" smallint NOT NULL,
     "usertype" smallint NOT NULL,
     "authentication" uuid,
@@ -461,15 +462,13 @@ CREATE TABLE "UserInfo" (
     "created" timestamp,
     "lastloggedin" timestamp,
     "additionalinfo" xml,
-    PRIMARY KEY (identification, email)
+    PRIMARY KEY (id)
 );
 
 COMMENT ON COLUMN "UserInfo"."authorization_level" IS 'This stores the authorization level of the user: 0 admin, 1 user, being able to be extended furthermore';
 COMMENT ON COLUMN "UserInfo"."usertype" IS 'This stores the type of user: 0 -> internal, 1 external';
 
 
-DROP table if exists "UserAuth";
-
 CREATE TABLE "UserAuth" (
     "id" uuid  DEFAULT uuid_generate_v4() NOT NULL UNIQUE,
     "username" character varying(200) NOT NULL,
@@ -483,8 +482,21 @@ ALTER TABLE "UserInfo" ADD CONSTRAINT fkey_userinfo_userauth FOREIGN KEY ("authe
 
 COMMENT ON COLUMN "UserAuth"."password" IS 'This field stores a password hash';
 
+
+create table "UserDMP" (
+   "id" uuid  DEFAULT uuid_generate_v4() NOT NULL,
+   "user" uuid NOT NULL,
+   "dmp" uuid NOT NUll,
+   "role" integer
+);
+
+ALTER TABLE "UserDMP" ADD CONSTRAINT fkey_userdmp_user FOREIGN KEY ("user") REFERENCES "UserInfo"("id");
+ALTER TABLE "UserDMP" ADD CONSTRAINT fkey_userdmp_dmp FOREIGN KEY ("dmp") REFERENCES "DMP"("ID");
+
+
 ALTER TABLE "UserInfo" OWNER TO dmptool;
 ALTER TABLE "UserAuth" OWNER TO dmptool;
+ALTER TABLE "UserDMP" OWNER TO dmptool;