You can copy and paste this into SQLLITEONLINE.com in order to generate two tables that are fully populated.....
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1) create the table first, here....
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--drop table car_sales
create table car_sales
(
registration varchar(10) ,
make varchar(20) ,
model varchar(20) ,
purchase_price int ,
purchase_date date ,
sold_price int ,
sold_date date ,
dealership_postcode varchar(10)
)
select * from car_sales
--drop table car_dealership
create table car_dealership
(
dealership_name varchar(20) ,
dealership_road varchar(30) ,
dealership_city varchar(30) ,
dealership_postcode varchar(10)Â
)
select * from car_dealership
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2) now populate your tables, here....
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--populate car_sales table
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('PO91CHE','porsche','911',100678,'20190419',110321,'20200117','L4 0TH')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('BM33TOU','bmw','m3 touring',80123,'20200401',90432,'20200605','L4 0TH')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('BM34QWE','bmw','m3 touring',81444,'20200401',93500,'20200605','L4 0TH')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('SE12ALH','seat','alhambra',19000,'20200701',25000,'20200714','L4 0TH')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('LA12HOU','lamborghini','hourican',251000,'20210218',285000,'20210220','L4 0TH')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('RS66AUD','audi','RS6',65765,'20210301',85999,'20210410','EC2A 6YT')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('VW12TOU','vw','touran',18000,'20190221',22950,'20210411','EC2A 6YT')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('FE90ROR','ferrari','sf90',235000,'20210815',290999,'20210816','EC2A 6YT')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('ME78CED','mercedes','eq90',100000,'20210501',105000,'20210513','M16 0RA')
insert into car_sales(registration,make,model,purchase_price,purchase_date,sold_price,sold_date,dealership_postcode)
values('BM33IRS','bmw','330i',45000,'20210501',55000,'20210513','M16 0RA')
--populate car_dealership table
insert into car_dealership (dealership_name,dealership_road,dealership_city,dealership_postcode)
values ('north','1 Anfield way','Liverpool','L4 0TH')
insert into car_dealership (dealership_name,dealership_road,dealership_city,dealership_postcode)
values ('south','10 Park Lane','London','EC2A 6YT')
insert into car_dealership (dealership_name,dealership_road,dealership_city,dealership_postcode)
values ('north','1 Old Trafford Way','Manchester','M16 0RA')
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3) have a look at your populated table here....
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select * from car_sales
select * from car_dealership