diff --git a/install/mysql.sql b/install/mysql.sql
index 9b01e32..66c4bb3 100644
--- a/install/mysql.sql
+++ b/install/mysql.sql
@@ -31,4 +31,19 @@ CREATE TABLE IF NOT EXISTS `users_config` (
   `name` varchar(255) NOT NULL,
   `value` varchar(255) NOT NULL,
   PRIMARY KEY (`id`)
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+
+CREATE TABLE tags (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `value` varchar(255) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
+
+CREATE TABLE tags_entries (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `entry_id` int(11) NOT NULL,
+  `tag_id` int(11) NOT NULL,
+  FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
+  FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE,
+  PRIMARY KEY (`id`)
 ) ENGINE=InnoDB  DEFAULT CHARSET=utf8;
\ No newline at end of file
diff --git a/install/postgres.sql b/install/postgres.sql
index 9e0e827..fe8f559 100644
--- a/install/postgres.sql
+++ b/install/postgres.sql
@@ -27,4 +27,15 @@ CREATE TABLE users_config (
     user_id integer NOT NULL,
     name varchar(255) NOT NULL,
     value varchar(255) NOT NULL
-);
\ No newline at end of file
+);
+
+CREATE TABLE tags (
+  id bigserial primary key,
+  value varchar(255) NOT NULL
+);
+
+CREATE TABLE tags_entries (
+  id bigserial primary key,
+  entry_id integer NOT NULL,
+  tag_id integer NOT NULL
+)
\ No newline at end of file