Базы данных и знаний. Проектирование баз данных по технологии "клиент-сервер" и разработка клиентских приложений. Токмаков Г.П. - 63 стр.

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) ;
CREATE INDEX XIF6PART ON PART
(
equip_type_id
) ;
ALTER TABLE PART
ADD PRIMARY KEY (equip_id);
CREATE GENERATOR equip_id_gen;
SET TERM !! ;
CREATE TRIGGER PART_GEN_ID FOR PART BEFORE INSERT AS
BEGIN
new.equip_id = gen_id (equip_id_gen, 1);
END !!
SET TERM ; !!
CREATE GENERATOR equip_type_id_gen;
SET TERM !! ;
CREATE TRIGGER PART_GEN_ID FOR PART BEFORE INSERT AS
BEGIN
new . equip_type_id = gen__id (equip_type_id_gen, 1);
END ! !
SET TERM ; !!
CREATE TABLE GROUPS (
equip_type_id t_equip_type_id NOT NULL,
equip_name t_equip_name
) ;
CREATE UNIQUE INDEX XPKGROUPS ON GROUPS
( equip_type_id );
ALTER TABLE GROUPS
ADD PRIMARY KEY (equip_type_id);
CREATE GENERATOR equip_type_id_gen;
SET TERM !! ;
CREATE TRIGGER GROUPS_GEN_ID FOR GROUPS BEFORE INSERT AS
BEGIN
new.equip_type_id = gen_id (equip__type_id_gen, 1);
END ! !
SET TERM ; !!
CREATE TABLE WORKPLACE (
workplace_id t_workplace_id NOT NULL,
class_id t_class_id NOT NULL,
workplace_no t_workplace_no,
workplace_name t_workplace__name,
ip__address t_ip_address,
note t note