「SQL」右外部結合(right outer join)のサンプル

2021年8月22日

書式
select
カラム名
from テーブル1
right outer join テーブル2
on
結合条件
使用例

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select
ta.orderid
, tb.lastname
from
orders ta
right join employees tb
on ta.employeeid = tb.employeeid
order by
ta.orderid;
select ta.orderid , tb.lastname from orders ta right join employees tb on ta.employeeid = tb.employeeid order by ta.orderid;
select
    ta.orderid
    , tb.lastname
from
    orders ta 
    right join employees tb 
        on ta.employeeid = tb.employeeid 
order by
    ta.orderid;

結果

orderid lastname
West
10248 Buchanan
10249 Suyama

SQL

Posted by arkgame