diff --git a/app/model/post.py b/app/model/post.py
index b0e46277..1daedadb 100644
--- a/app/model/post.py
+++ b/app/model/post.py
@@ -26,10 +26,10 @@ class Post(db.Model):
     id_post = db.Column(db.Integer, nullable=False,
                         primary_key=True, autoincrement=True)
     post_date = db.Column(db.Date, default=date.today(), nullable=False)
-    didactic = db.Column(db.Float, nullable=False)
-    metod = db.Column(db.Float, nullable=False)
-    avaliations = db.Column(db.Float, nullable=False)
-    disponibility = db.Column(db.Float, nullable=False)
+    didactic = db.Column(db.Integer, nullable=False)
+    metod = db.Column(db.Integer, nullable=False)
+    avaliations = db.Column(db.Integer, nullable=False)
+    disponibility = db.Column(db.Integer, nullable=False)
     content = db.Column(db.String(480), nullable=False)
     is_anonymous = db.Column(db.Boolean, nullable=False)
 
diff --git a/database/database.sql b/database/database.sql
index ceae25dc..9d952a3d 100644
--- a/database/database.sql
+++ b/database/database.sql
@@ -54,10 +54,10 @@ CREATE TABLE IF NOT EXISTS post (
   id_professor int UNSIGNED NOT NULL,
   content varchar(480) NOT NULL,
   post_date date NOT NULL,
-  didactic float NOT NULL,
-  metod float NOT NULL,
-  avaliations float NOT NULL,
-  disponibility float NOT NULL,
+  didactic TINYINT UNSIGNED NOT NULL,
+  metod TINYINT UNSIGNED NOT NULL,
+  avaliations TINYINT UNSIGNED NOT NULL,
+  disponibility TINYINT UNSIGNED NOT NULL,
   discipline_code varchar(80) NOT NULL DEFAULT '',
   is_anonymous TINYINT(1) NOT NULL,
   PRIMARY KEY (id_post),