store1, Sql Server

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create table customers(                  
                       CUST_ID INT NOT NULL,
                       NAME VARCHAR(10) NOT NULL,
                       ADDRESS VARCHAR(20),
                       PRIMARY KEY (CUST_ID)
                       );
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (1, 'Deekshitha', 'vishakapatnam');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (2, 'shabbu', 'vishakapatnam');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (3, 'lasya', 'hyderabad');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (4, 'sohel', 'vishakapatnam');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (5, 'mehaboob', 'karimnagar');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (6, 'sujatha', 'vishakapatnam');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (7, 'monal', 'warangal');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (8, 'akhil', 'vijayawada');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (9, 'abhijeeth', 'guntur');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (10,'priya', 'vishakapatnam');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (11,'shiva', 'warangal');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (12,'rajashekar', 'guntur');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (13,'divi', 'hyderabad');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (14,'Devi', 'vijayawada');
INSERT INTO CUSTOMERS (CUST_ID, NAME, ADDRESS) VALUES (15,'nagarjuna', 'vijayawada');

create table products(
    product_id int not null,
    product_name varchar(20),
    price int not null,
    primary key (product_id)
    );
insert into products (product_id, product_name, price) values (1, 'mugs', 199);
insert into products (product_id, product_name, price) values (2, 'boxes', 299);
insert into products (product_id, product_name, price) values (3, 'vases', 399);
insert into products (product_id, product_name, price) values (4, 'plant holders', 250);

ALTER TABLE CUSTOMERS ADD PRODUCT_ID INT; 
ALTER TABLE CUSTOMERS ADD FOREIGN KEY (PRODUCT_ID);
REFERENCES PRODUCTS(PRODUCT_ID)

SELECT * FROM CUSTOMERS;

select * from products;

View schema
Execution time: 0,03 sec, rows selected: 34, rows affected: 19, absolute service time: 0,22 sec, absolute service time: 0,22 sec