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create table book_stores (rep_id number(5), store_id number(8), unique (rep_id), unique (store_id));
CREATE TABLE rep_contracts (store_id NUMBER(8), name NUMBER(5), quarter CHAR(3), rep_id NUMBER(5), CONSTRAINT rep_contracts_rep_id_store_id_quarter_pk PRIMARY KEY (rep_id,store_id,quarter), CONSTRAINT rep_contracts_rep_id_fk FOREIGN KEY (rep_id) REFERENCES book_stores (rep_id), CONSTRAINT rep_contracts_store_id_fk FOREIGN KEY (store_id) REFERENCES book_stores (store_id));