add: DB primary key update

BancaDati.sql

@@ -6,7 +6,7 @@ time_zone = "+00:00";
 
 CREATE TABLE `ingredienti`
 ( /*Zutaten*/
-    `id`              int auto_increment   NOT NULL,
+    `id`              int auto_increment NOT NULL PRIMARY KEY,
     `cognome`         varchar(200)  NOT NULL, /*Name*/
     `caloriePerCento` integer(5) NOT NULL, /*Kalorien pro Gramm*/
     `ilPeso`          integer(5) NULL, /*Gewicht*/
@@ -16,14 +16,14 @@ CREATE TABLE `ingredienti`
 
 CREATE TABLE `folla`
 ( /*Menge*/
-    `id`      int auto_increment  NOT NULL,
+    `id`      int auto_increment NOT NULL PRIMARY KEY,
     `unita`   varchar(200) NOT NULL, /*Einheit*/
     `created` timestamp    NOT NULL DEFAULT CURRENT_TIMESTAMP
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `elenco`
 ( /*Liste*/
-    `id`             int auto_increment  NOT NULL,
+    `id`             int auto_increment NOT NULL PRIMARY KEY,
     `creatore`       varchar(200) NOT NULL, /*Ersteller*/
     `coloreDiSfondo` integer(10) NOT NULL, /*Hintergrundfarbe*/
     `created`        timestamp    NOT NULL DEFAULT CURRENT_TIMESTAMP
@@ -31,7 +31,7 @@ CREATE TABLE `elenco`
 
 CREATE TABLE `utente`
 ( /*Benutzer*/
-    `id`            int auto_increment  NOT NULL,
+    `id`            int auto_increment NOT NULL PRIMARY KEY,
     `email`         varchar(200)       NOT NULL, /*Email*/
     `parolaDordine` varchar(255)       NOT NULL, /*Passwort*/
     `nomeUtente`    varchar(50) UNIQUE NOT NULL, /*Benutzernamen*/
@@ -41,7 +41,7 @@ CREATE TABLE `utente`
 
 CREATE TABLE `elencoIngredienti`
 ( /*Liste_Zutaten*/
-    `id`            int auto_increment NOT NULL,
+    `id`            int auto_increment NOT NULL PRIMARY KEY,
     `ingredientiID` varchar(36) NOT NULL, /*ZutatenID*/
     `elencoID`      varchar(36) NOT NULL, /*ListeID*/
     `follaID`       varchar(36) NOT NULL, /*MengeID*/
@@ -50,24 +50,12 @@ CREATE TABLE `elencoIngredienti`
 
 CREATE TABLE `utenteElenco`
 ( /*Benutzer_Liste*/
-    `id`       int auto_increment NOT NULL,
+    `id`       int auto_increment NOT NULL PRIMARY KEY,
     `elencoID` varchar(36) NOT NULL, /*ListeID*/
     `utenteID` varchar(36) NOT NULL, /*BenutzerID*/
     `created`  timestamp   NOT NULL DEFAULT CURRENT_TIMESTAMP
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
-ALTER TABLE `ingredienti` /*Zutaten*/
-    ADD PRIMARY KEY (`id`);
-
-ALTER TABLE `folla` /*Menge*/
-    ADD PRIMARY KEY (`id`);
-
-ALTER TABLE `elenco` /*Liste*/
-    ADD PRIMARY KEY (`id`);
-
-ALTER TABLE `utente` /*Benutzer*/
-    ADD PRIMARY KEY (`id`);
-
 ALTER TABLE `elencoIngredienti` /*Liste_Zutaten*/
     ADD PRIMARY KEY (`id`),
     ADD CONSTRAINT `FK_ElencoIngredienti_Ingredienti` FOREIGN KEY (`ingredientiID`) REFERENCES `ingredienti`(`id`), /*Liste_Zutaten hat Foreignkey von Zutaten(id)*/