diff --git a/database/update/db-update-2017-05-23.sh b/database/update/db-update-2017-05-23.sh
new file mode 100644
index 0000000..863423b
--- /dev/null
+++ b/database/update/db-update-2017-05-23.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Pour Mac OS recent (10.10, Yosemite), la syntaxe du SED est differente
+# Il faut donc faire une copie de ce fichier et transformer les instructions sed a l'interieur
+# Pour cela, il suffit d'executer ces 2 lignes :
+# cp ce_script.sh ce_script_macosx.sh
+# sed -e "s/ -i / -i '' /" -i '' ce_script_macosx.sh
+
+if [ ! -f ../../config/app.php ] ; then
+echo "Vous devez executer ce script depuis le dossier database/update/"
+exit 1
+fi
+
+
+# Get login, pass, dbname, and hostname
+username=$(grep "/\*d\*/'username'" ../../config/app.php | cut -d"'" -f4)
+password=$(grep "/\*d\*/'password'" ../../config/app.php | cut -d"'" -f4)
+database=$(grep "/\*d\*/'database'" ../../config/app.php | cut -d"'" -f4)
+host=$(grep "/\*d\*/'host'" ../../config/app.php | cut -d"'" -f4)
+
+
+cp -p ./script_sql/db-update-2017-05-23.sql ./script_sql/db-update-2017-05-23-build.sql
+
+# Execute sql update script
+sed -e "s/database/$database/" -i ./script_sql/db-update-2017-05-23-build.sql
+mysql --user=$username --password=$password -h $host < ./script_sql/db-update-2017-05-23-build.sql
+
+# Delete cakephp cache
+sudo rm ../../tmp/cache/models/*
+sudo rm ../../tmp/cache/persistent/*
+
+sudo chmod -R 777 ../../tmp
+sudo chmod -R 777 ../../vendor
+sudo chmod -R 777 ../../webroot
diff --git a/database/update/script_sql/db-update-2017-05-23.sql b/database/update/script_sql/db-update-2017-05-23.sql
new file mode 100644
index 0000000..6a7945b
--- /dev/null
+++ b/database/update/script_sql/db-update-2017-05-23.sql
@@ -0,0 +1,206 @@
+USE database;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+-- MODIF TABLE CONFIGURATIONS
+-- Structure de la table `configurations`
+--
+
+ALTER TABLE `configurations` ADD COLUMN `metrologie` TINYINT(1) NULL DEFAULT '0' AFTER `taille_max_doc`;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  MODIF TABLE MATERIELS 
+-- Structure de la table `materiels`
+--
+
+ALTER TABLE `materiels` 
+CHANGE COLUMN `fournisseur` `fournisseur_id` INT NULL DEFAULT NULL ,
+ADD COLUMN `metrologie` TINYINT(1) NULL DEFAULT '0' AFTER `photo_id`;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT TABLE FOURNISSEURS
+-- Structure de la table `fournisseurs`
+--
+
+CREATE TABLE `fournisseurs` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `nom` VARCHAR(45) NULL,
+  PRIMARY KEY (`id`));
+  
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT TABLE UNITES
+-- Structure de la table `unites`
+--
+  
+CREATE TABLE `unites` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `nom` VARCHAR(45) NULL,
+  `symbole` VARCHAR(45) NULL,
+  PRIMARY KEY (`id`));
+
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT TABLE MESURES
+-- Structure de la table `mesures`
+--
+
+
+CREATE TABLE `mesures` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `fichemetrologique_id` INT NOT NULL,
+  `valeur` DOUBLE NULL,
+  `erreur` DOUBLE NULL,
+  PRIMARY KEY (`id`));
+
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  MODIF TABLE USERS
+-- Structure de la table `users`
+--  
+  
+ALTER TABLE `users` 
+ADD COLUMN `sur_categorie_id` INT(11) NULL AFTER `groupe_thematique_id`;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT TABLE FICHEMETROLOGIQUES
+-- Structure de la table `fichemetrologiques`
+--  
+
+CREATE TABLE `fichemetrologiques` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `suivi_id` int(11) NOT NULL,
+  `mesurande` double DEFAULT NULL,
+  `moyenne` double DEFAULT NULL,
+  `ecarttype` double DEFAULT NULL,
+  `correction` double DEFAULT NULL,
+  `ua` double DEFAULT NULL,
+  `ub` double DEFAULT NULL,
+  `uc` double DEFAULT NULL,
+  `uf` double DEFAULT NULL,
+  `u` double DEFAULT NULL,
+  `incertitude` double DEFAULT NULL,
+  `conditionEnv` double DEFAULT NULL,
+  `resolution` varchar(45) DEFAULT NULL,
+  `etatmateriel` varchar(45) DEFAULT NULL,
+  `etatmetrologique` varchar(45) DEFAULT NULL,
+  `emtpersonnel` double DEFAULT NULL,
+  `nbMesure` int(11) DEFAULT NULL,
+  `conformeEMTstandart` varchar(100) DEFAULT NULL,
+  `conformeEMTperso` varchar(100) DEFAULT NULL,
+  `resultatfinal` varchar(100) DEFAULT NULL,
+  `observation` varchar(200) DEFAULT NULL,
+  `datefiche` date DEFAULT NULL,
+  `retard` varchar(45) DEFAULT 'RAS',
+  `justesse` DOUBLE DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=142 DEFAULT CHARSET=latin1
+  
+  
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  MODIF TABLE SUIVIS
+-- Structure de la table `suivis`
+--   
+  
+ALTER TABLE `suivis` 
+ADD COLUMN `unite_id` INT(11) NULL DEFAULT NULL AFTER `modified`,
+ADD COLUMN `plage_debut` DOUBLE NULL DEFAULT NULL AFTER `unite_id`,
+ADD COLUMN `plage_fin` DOUBLE NULL DEFAULT NULL AFTER `plage_debut`,
+ADD COLUMN `resolution` DOUBLE NULL DEFAULT NULL AFTER `plage_fin`,
+ADD COLUMN `tolerance` DOUBLE NULL DEFAULT NULL AFTER `resolution`,
+ADD COLUMN `sensibilite` DOUBLE NULL DEFAULT NULL AFTER `tolerance`,
+ADD COLUMN `justesse` DOUBLE NULL DEFAULT NULL AFTER `sensibilite`,
+ADD COLUMN `fidelite` DOUBLE NULL DEFAULT NULL AFTER `justesse`,
+ADD COLUMN `typemesure` VARCHAR(45) NULL DEFAULT 'Direct' AFTER `fidelite`,
+ADD COLUMN `emtstandart` DOUBLE NULL DEFAULT NULL AFTER `typemesure`,
+ADD COLUMN `symbole` VARCHAR(45) NULL DEFAULT NULL AFTER `emtstandart`,
+ADD COLUMN `formule_id` INT(11) NULL DEFAULT NULL AFTER `symbole`,
+ADD COLUMN `nommesure` VARCHAR(45) NULL DEFAULT NULL AFTER `formule_id`,
+ADD COLUMN `valeurRef` DOUBLE NULL DEFAULT NULL AFTER `nommesure`,
+ADD COLUMN `intitule` VARCHAR(100) NULL DEFAULT NULL AFTER `valeurRef`,
+ADD COLUMN `conforme` VARCHAR(100) NULL DEFAULT NULL AFTER `intitule`;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+-- AJOUT LIAISON SUIVIS-UNITES
+-- 
+-- 
+  
+ALTER TABLE `suivis` 
+ADD INDEX `fk_suivis_unite_id_idx` (`unite_id` ASC);
+ALTER TABLE `suivis` 
+ADD CONSTRAINT `fk_suivis_unite_id`
+  FOREIGN KEY (`unite_id`)
+  REFERENCES `unites` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT LIAISON FOURNISSEURS-MATERIELS
+-- 
+-- 
+ 
+ALTER TABLE `materiels` 
+ADD INDEX `fk_materiels_fournisseurs_id_idx` (`fournisseur_id` ASC);
+ALTER TABLE `materiels` 
+ADD CONSTRAINT `fk_materiels_fournisseurs_id`
+  FOREIGN KEY (`fournisseur_id`)
+  REFERENCES `fournisseurs` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+ 
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT LIAISON MESURES-FICHEMETROLOGIQUES
+-- 
+-- 
+ 
+ALTER TABLE `mesures` 
+ADD INDEX `fk_mesures_fichemetrologique_id_idx` (`fichemetrologique_id` ASC);
+ALTER TABLE `mesures` 
+ADD CONSTRAINT `fk_mesures_fichemetrologique_id`
+  FOREIGN KEY (`fichemetrologique_id`)
+  REFERENCES `fichemetrologiques` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT LIAISON SUR_CATEGORIES-USERS
+-- 
+-- 
+
+ALTER TABLE `users` 
+ADD INDEX `fk_users_sur_categories_id_idx` (`sur_categorie_id` ASC);
+ALTER TABLE `users` 
+ADD CONSTRAINT `fk_users_sur_categories_id`
+  FOREIGN KEY (`sur_categorie_id`)
+  REFERENCES `sur_categories` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+
+-- -------------------------------------------------------------------------------------------------------------
+-- 23/05/2017
+--  AJOUT LIAISON FICHEMETROLOGIQUES-SUIVIS
+-- 
+--
+
+ALTER TABLE `fichemetrologiques` 
+ADD INDEX `fk_fichemetrologique_suivi_id_idx` (`suivi_id` ASC);
+ALTER TABLE `fichemetrologiques` 
+ADD CONSTRAINT `fk_fichemetrologique_suivi_id`
+  FOREIGN KEY (`suivi_id`)
+  REFERENCES `suivis` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
--
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