Add the birthday table.

database/database.sql

@@ -1,6 +1,3 @@
--- CREATE DATABASE dakiny;
--- use dakiny;
-
 CREATE TABLE ElectionInformation(
     ElectionCycle varchar(30) not null unique,
     ElectionChannel bigint unsigned not null,
@@ -24,4 +21,10 @@ CREATE TABLE Votes(
     VotedForId bigint unsigned not null,
     FOREIGN KEY (ElectionCycle) REFERENCES ElectionInformation(ElectionCycle),
     PRIMARY KEY (ElectionCycle, VoterId)
+);
+
+CREATE TABLE UserBirthday (
+    UserId bigint unsigned not null,
+    Birthday varchar(5) not null,
+    PRIMARY KEY (UserId)
 );