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FOREIGN KEY (ID_tipa, ID_strany)
CREATE TABLE Strana_proizvoditel (
ID_strany INTEGER AUTO INCREMENT NOT NULL,
Naimenovanie char(18) NOT NULL)
ALTER TABLE Strana_proizvoditel ADD PRIMARY KEY (ID_strany),
CREATE TABLE Tip_samoleta (
ID_Tipa INTEGER AUTO INCREMENT NOT NULL,
Naimenovanie char(18) NOT NULL)
ALTER TABLE Tip_samoleta ADD PRIMARY KEY (ID_Tipa),
CREATE TABLE class_pereleta (
ID_classa INTEGER AUTO INCREMENT NOT NULL,
Naimenovanie char(18) NOT NULL)
ALTER TABLE class_pereleta ADD PRIMARY KEY (ID_classa),
CREATE TABLE Bilety (
N_bileta char(20) NOT NULL,
Stoimost value NOT NULL,
N_mesta char(18) NOT NULL,
Vremya_vileta datetime NOT NULL,
Vremya_pribitiya datetime NOT NULL,
ID_classa integer(18) NOT NULL,
N_reysa char(18)NOT NULL,
ID_aviacompanii integer(4) NOT NULL)
ALTER TABLE Bilety ADD PRIMARY KEY (N_bileta),
FOREIGN KEY (ID_classa, N_reysa, ID_aviacompanii)
CREATE TABLE pol (