我需要一些SQL语句的帮助,在下面的SQL语句正常工作,但是我想添加如果closing_balance
为空,则将该值设置为0.00。SQL语句空值
有没有去把它添加到下面的语句:
SqlCommand scGetPostings = new SqlCommand(@"
SELECT
D1.dr,
D1.cr,
D1.asset_no,
(open_bal + dr - cr) AS closing_balance
FROM (SELECT
COALESCE(SUM(dr_amount), 0) AS dr,
COALESCE(SUM(cr_amount), 0) AS cr,
asset_no
FROM posting, sysasset
WHERE posting.asset_no = @AssetNumber
AND period >= asset_open_per
GROUP BY asset_no) AS D1, asset
WHERE D1.asset_no = asset.asset_no", DataAccess.AssetConnection);
请删除C#代码,因为它似乎是一个纯粹的SQL问题。并将查询与下降格式(缩进和换行符) –