diff --git a/db/db.code.version.txt b/db/db.code.version.txt
index 4e9bdff..9e42f3e 100644
--- a/db/db.code.version.txt
+++ b/db/db.code.version.txt
@@ -1 +1 @@
-164
+165
diff --git a/db/db.update.165.sql b/db/db.update.165.sql
new file mode 100644
index 0000000..97a9744
--- /dev/null
+++ b/db/db.update.165.sql
@@ -0,0 +1,17 @@
+ALTER TABLE `projects` ADD `floornumber` INT NOT NULL AFTER `projectsort_seq` ;
+
+CREATE TABLE `exhibithall` (
+	`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
+	`name` VARCHAR( 32 ) NOT NULL ,
+	`type` ENUM( 'wall', 'exhibithall', 'project' ) NOT NULL ,
+	`x` FLOAT NOT NULL ,
+	`y` FLOAT NOT NULL ,
+	`w` FLOAT NOT NULL ,
+	`h` FLOAT NOT NULL ,
+	`orientation` INT NOT NULL ,
+	`exhibithall_id` INT NOT NULL ,
+	`floornumber` INT NOT NULL ,
+	`divs` TINYTEXT NOT NULL ,
+	`cats` TINYTEXT NOT NULL ,
+	`has_electricity` ENUM( 'no', 'yes' ) NOT NULL
+) ENGINE = MYISAM ;