ALTER TABLE "lqbz"."als_warning_result_t" MODIFY "sortie_no" VARCHAR2(255) NULL;
ALTER TABLE "lqbz"."als_warning_result_t" MODIFY "aircraft_id" VARCHAR2(255) NULL;
ALTER TABLE "lqbz"."als_fault_diagnosis_result_t" MODIFY "model_type" VARCHAR2(255) NULL;
