Question
Write a SQL query for: Who borrowed most and how much? Display customer name and amount borrowed in your SQL statement. create table account (account_number
Write a SQL query for:
Who borrowed most and how much? Display customer name and amount borrowed in your SQL statement.
create table account
(account_number varchar(15) not null,
branch_name varchar(15) not null,
balance number not null,
primary key(account_number));
create table branch
(branch_name varchar(15) not null,
branch_city varchar(15) not null,
assets number not null,
primary key(branch_name));
create table customer
(customer_name varchar(15) not null,
customer_street varchar(12) not null,
customer_city varchar(15) not null,
primary key(customer_name));
create table loan
(loan_number varchar(15) not null,
branch_name varchar(15) not null,
amount number not null,
primary key(loan_number));
create table depositor
(customer_name varchar(15) not null,
account_number varchar(15) not null,
primary key(customer_name, account_number),
foreign key(account_number) references account(account_number),
foreign key(customer_name) references customer(customer_name));
create table borrower
(customer_name varchar(15) not null,
loan_number varchar(15) not null,
primary key(customer_name, loan_number),
foreign key(customer_name) references customer(customer_name),
foreign key(loan_number) references loan(loan_number));
Here is the solution I have:
select borrower.customer_name,loan.amount from borrower INNER JOIN loan ON loan.loan_number = borrower.loan_number having max(loan.amount);
Is there an alternative way to solve this problem?
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