https://www.dbrnd.com/2018/01/sql-puzzle-calculate-sum-between-two-tables/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Tue, 04 Jun 2019 11:37:20 +0000 hourly 1 https://wordpress.org/?v=7.0.4 https://www.dbrnd.com/2018/01/sql-puzzle-calculate-sum-between-two-tables/#comment-7278 Tue, 04 Jun 2019 11:37:20 +0000 https://www.dbrnd.com/?p=6939#comment-7278 select
ISNULL(T1.Num,0) + ISNULL(T2.Num,0) as TotalNum,
ISNULL(T1.Code,T2.Code) as Code
from
T1
full join T2 on T1.Code = T2.Code
order by Code

]]> https://www.dbrnd.com/2018/01/sql-puzzle-calculate-sum-between-two-tables/#comment-6699 Fri, 14 Sep 2018 08:41:47 +0000 https://www.dbrnd.com/?p=6939#comment-6699 SELECT COALESCE(foo.num+foo1.num, foo.num, foo1.num), foo.code
From table_1 foo
Left join table_2 foo1
on foo.code = foo1.code

]]> https://www.dbrnd.com/2018/01/sql-puzzle-calculate-sum-between-two-tables/#comment-6196 Wed, 07 Feb 2018 17:24:28 +0000 https://www.dbrnd.com/?p=6939#comment-6196 SELECT
SUM(COALESCE(t1.num,0)+COALESCE(t2.num,0)) AS total_num,
code
FROM t1
FULL JOIN t2 USING (code)
GROUP BY code

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