我正在尝试查找没有ID = 1的行(名称)。例如,如果我的表看起来像这样:
Name ID
--------------
A 1
A 0
B 1
B 0
C 0
D 2
D 0
此查询的答案是:
Name
-----
C
D
你有什么想法吗?
SELECT Name
FROM myTable
GROUP BY Name
HAVING SUM(CASE WHEN ID = 1 THEN 1 ELSE 0 END) = 0
这里有一种方法可以做到这一点:
SELECT DISTINCT Name
FROM Table t0
WHERE NOT EXISTS
(
SELECT 1
FROM Table t1
WHERE t0.Name = t1.Name
AND t1.Id = 1
)
尝试以下查询:
SELECT DISTINCT(name)
FROM tbl t1
WHERE
NOT EXISTS (SELECT name FROM tbl t2 WHERE ID=1 AND t1.name=t2.name)
Select Distinct name
From myTable
Where name not in (Select name From myTable Where id= 1)