diff --git a/config/database/hsql/create-schemas.sql b/config/database/hsql/create-schemas.sql
index 69bf4c0e..f0469e72 100644
--- a/config/database/hsql/create-schemas.sql
+++ b/config/database/hsql/create-schemas.sql
@@ -28,10 +28,19 @@ CREATE TABLE MINDMAP (
   edition_date   DATETIME,
   creator_id     INTEGER       NOT NULL,
   tags           VARCHAR(1014),
-  last_editor_id INTEGER       NOT NULL
+  last_editor_id INTEGER       NOT NULL,
+  directory_id   INTEGER       NOT NULL,
 --FOREIGN KEY(creator_id) REFERENCES USER(colaborator_id)
 );
 
+CREATE TABLE DIRECTORY (
+  id             INTEGER           NOT NULL IDENTITY,
+  name           VARCHAR(255)  NOT NULL,
+  description    VARCHAR(255)  NOT NULL,
+  creator_id     INTEGER            NOT NULL,
+--FOREIGN KEY (creator_id) REFERENCES USER (colaborator_id)
+)
+
 CREATE TABLE MINDMAP_HISTORY
 (id            INTEGER       NOT NULL IDENTITY,
  xml           LONGVARBINARY NOT NULL,
diff --git a/config/database/mysql/create-schemas.sql b/config/database/mysql/create-schemas.sql
index 4e26a3fc..8e72f81a 100644
--- a/config/database/mysql/create-schemas.sql
+++ b/config/database/mysql/create-schemas.sql
@@ -28,6 +28,19 @@ CREATE TABLE USER (
 )
   CHARACTER SET utf8;
 
+CREATE TABLE DIRECTORY (
+  id             INTEGER           NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  name           VARCHAR(255)
+                 CHARACTER SET utf8 NOT NULL,
+  description    VARCHAR(255)
+                 CHARACTER SET utf8 NOT NULL,
+  creator_id     INTEGER            NOT NULL,
+  FOREIGN KEY (creator_id) REFERENCES USER (colaborator_id)
+    ON DELETE CASCADE
+    ON UPDATE NO ACTION
+)
+  CHARACTER SET utf8;
+
 CREATE TABLE MINDMAP (
   id             INTEGER            NOT NULL PRIMARY KEY AUTO_INCREMENT,
   title          VARCHAR(255)
@@ -42,7 +55,9 @@ CREATE TABLE MINDMAP (
   tags           VARCHAR(1014)
                  CHARACTER SET utf8,
   last_editor_id INTEGER            NOT NULL,
-  FOREIGN KEY (creator_id) REFERENCES USER (colaborator_id)
+  directory_id   INTEGER            NOT NULL,
+  FOREIGN KEY (creator_id) REFERENCES USER (colaborator_id),
+  FOREIGN KEY (directory_id) REFERENCES DIRECTORY (id)
     ON DELETE CASCADE
     ON UPDATE NO ACTION
 )
diff --git a/config/database/mysql/v3.0-to-v3.1.sql b/config/database/mysql/v3.0-to-v3.1.sql
index 4f7b822a..d75b35d1 100644
--- a/config/database/mysql/v3.0-to-v3.1.sql
+++ b/config/database/mysql/v3.0-to-v3.1.sql
@@ -2,4 +2,20 @@ ALTER TABLE `USER` ADD COLUMN `authentication_type` CHAR(1) CHARACTER SET utf8 N
 AFTER `colaborator_id`;
 
 ALTER TABLE `USER` ADD COLUMN `authenticator_uri` VARCHAR(255) CHARACTER SET utf8
-AFTER `authentication_type`;
\ No newline at end of file
+AFTER `authentication_type`;
+
+CREATE TABLE DIRECTORY (
+  id             INTEGER           NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  name           VARCHAR(255)
+                 CHARACTER SET utf8 NOT NULL,
+  description    VARCHAR(255)
+                 CHARACTER SET utf8 NOT NULL,
+  creator_id     INTEGER            NOT NULL,
+  FOREIGN KEY (creator_id) REFERENCES USER (colaborator_id)
+    ON DELETE CASCADE
+    ON UPDATE NO ACTION
+)
+  CHARACTER SET utf8;
+
+ALTER TABLE `MINDMAP` ADD COLUMN `directory_id` INTEGER NOT NULL DEFAULT '/'
+AFTER `last_editor_id`
\ No newline at end of file
diff --git a/config/database/postgres/create-schemas.sql b/config/database/postgres/create-schemas.sql
index 723cc2dd..fd0aa15a 100644
--- a/config/database/postgres/create-schemas.sql
+++ b/config/database/postgres/create-schemas.sql
@@ -30,10 +30,19 @@ CREATE TABLE MINDMAP (
   edition_date   TIMESTAMP,
   creator_id     INTEGER      NOT NULL,
   tags           VARCHAR(1014),
-  last_editor_id INTEGER      NOT NULL --,
+  last_editor_id INTEGER      NOT NULL,
+  directory_id   INTEGER      NOT NULL--,
 --FOREIGN KEY(creator_id) REFERENCES "USER"(colaborator_id) ON DELETE CASCADE ON UPDATE NO ACTION
 );
 
+CREATE TABLE DIRECTORY (
+  id             SERIAL       NOT NULL PRIMARY KEY,
+  title          VARCHAR(255) NOT NULL,
+  description    VARCHAR(255) NOT NULL,
+  creator_id     INTEGER      NOT NULL,
+  --FOREIGN KEY(creator_id) REFERENCES "USER"(colaborator_id) ON DELETE CASCADE ON UPDATE NO ACTION
+);
+
 
 CREATE TABLE MINDMAP_HISTORY
 (id            SERIAL  NOT NULL PRIMARY KEY,