-- CreateTable CREATE TABLE "conversations" ( "id" TEXT NOT NULL, "title" TEXT, "messages" TEXT NOT NULL, "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP, "updatedAt" TIMESTAMP(3) NOT NULL, "userId" TEXT NOT NULL, CONSTRAINT "conversations_pkey" PRIMARY KEY ("id") ); -- AddForeignKey ALTER TABLE "conversations" ADD CONSTRAINT "conversations_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;