Write a SQL query for: Who borrowed most and how much? Display customer name and

ID: 3584907 • Letter: W

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 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));

select borrower.customer_name,loan.amount from borrower INNER JOIN loan ON loan.loan_number = borrower.loan_number having max(loan.amount);

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