create database amex_loyalty; use amex_loyalty;
CREATE TABLE Customer ( customer_id int NOT NULL AUTO_INCREMENT, name varchar(255) NOT NULL, email varchar(255) NOT NULL, phone_number varchar(255) NOT NULL, credit_card_number varchar(255) NOT NULL, age int NOT NULL, gender boolean NOT NULL, attrition_flag boolean NOT NULL,
PRIMARY KEY (customer_id)
);
CREATE TABLE Transaction ( trans_id int NOT NULL AUTO_INCREMENT, customer_id int NOT NULL, trans_date varchar(255) NOT NULL , merchant_id varchar(255) NOT NULL , merchant_name varchar(255) NOT NULL, brand_name varchar(255) NOT NULL, segment_name varchar(255) NOT NULL, trans_amount BIGINT NOT NULL, loyalty_points_earned BIGINT NOT NULL,
PRIMARY KEY (trans_id)
);
ALTER TABLE Customer ADD COLUMN loyalty_points BIGINT NOT NULL;