create table meno_rusis( id INTEGER not null check (id > 100), pavadinimas VARCHAR (100) not null, primary key(id) ); create table autorius( id INTEGER not null check (id > 1000000), vardas VARCHAR (40) not null, pavarde VARCHAR (55) not null, gimimo_metai DATE, primary key(id) ); create table klientas( id INTEGER not null check (id > 1000000), vardas VARCHAR (40), pavarde VARCHAR (55), primary key(id) );

create table kurinys( id INTEGER not null check (id > 10000), pavadinimas VARCHAR (55) not null, metai INT, meno_rusies_id INTEGER not null check (meno_rusies_id > 100), autoriaus_id INTEGER not null check (autoriaus_id > 1000000), kliento_id INTEGER not null check (kliento_id > 1000000), ilgis_cm DECIMAL (100,2), plotis_cm DECIMAL (100,2), kaina DECIMAL (100,2), primary key (id), foreign key (meno_rusies_id) REFERENCES meno_rusis on delete cascade on update restrict, foreign key (autoriaus_id) REFERENCES autorius on delete cascade on update restrict, foreign key (kliento_id) REFERENCES klientas on delete cascade on update restrict );