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a year ago
506 B
2
Indexable
alter table account add foreign key (branchName) references branch(branchName); alter table depositor add foreign key (accountNumber) references account(accountNumber); alter table depositor add foreign key (customerName) references customer(customerName); alter table borrower add foreign key (customerName) references customer(customerName); alter table borrower add foreign key (loanNumber) references loan(loanNumber); alter table loan add foreign key (branchName) references branch(branchName);