-- AlterTable
ALTER TABLE `training_sessions` ADD COLUMN `demo_site_country_id` INTEGER NULL;

-- CreateIndex
CREATE INDEX `training_sessions_demo_site_country_id_idx` ON `training_sessions`(`demo_site_country_id`);

-- AddForeignKey
ALTER TABLE `training_sessions` ADD CONSTRAINT `training_sessions_demo_site_country_id_fkey` FOREIGN KEY (`demo_site_country_id`) REFERENCES `countries`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;
