add: DB primary key update

BancaDati.sql

@@ -12,6 +12,7 @@ CREATE TABLE `ingredienti`
     `ilPeso`          integer(5) NULL, /*Gewicht*/
     `prezzo`          decimal(4, 2) NOT NULL, /*Preis*/
     `created`         timestamp     NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `folla`
@@ -19,6 +20,7 @@ CREATE TABLE `folla`
     `id`      int auto_increment NOT NULL,
     `unita`   varchar(200) NOT NULL, /*Einheit*/
     `created` timestamp    NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `elenco`
@@ -27,6 +29,7 @@ CREATE TABLE `elenco`
     `creatore`       varchar(200) NOT NULL, /*Ersteller*/
     `coloreDiSfondo` integer(10) NOT NULL, /*Hintergrundfarbe*/
     `created`        timestamp    NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `utente`
@@ -37,6 +40,7 @@ CREATE TABLE `utente`
     `nomeUtente`    varchar(50) UNIQUE NOT NULL, /*Benutzernamen*/
     `gettone`       varchar(255), /*Token für Session*/
     `created`       timestamp          NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `elencoIngredienti`
@@ -46,6 +50,7 @@ CREATE TABLE `elencoIngredienti`
     `elencoID`      varchar(36) NOT NULL, /*ListeID*/
     `follaID`       varchar(36) NOT NULL, /*MengeID*/
     `created`       timestamp   NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `utenteElenco`
@@ -54,20 +59,9 @@ CREATE TABLE `utenteElenco`
     `elencoID` varchar(36) NOT NULL, /*ListeID*/
     `utenteID` varchar(36) NOT NULL, /*BenutzerID*/
     `created`  timestamp   NOT NULL DEFAULT CURRENT_TIMESTAMP
+        PRIMARY KEY (id)
 ) 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)*/