我要带两个下面的语句,只得到了结果于2013年限制SQL语句年
SELECT
COUNT(DISTINCT
CAST(c1.caseseqnumber AS VARCHAR) + '-' + CAST(c1.year AS VARCHAR)),
COUNT(DISTINCT
CAST(c2.caseseqnumber AS VARCHAR) + '-' + CAST(c2.year AS VARCHAR))
FROM
caseparticipants c1 LEFT JOIN caseparticipants c2
ON c1.year=c2.year AND c1.caseseqnumber=c2.caseseqnumber
AND c2.participanttype = 'Appellant Rep 1'
和第二个
SELECT DISTINCT
c1.caseseqnumber,
c1.year
FROM
caseparticipants c1 LEFT JOIN caseparticipants c2
ON c1.year=c2.year AND c1.caseseqnumber=c2.caseseqnumber
AND c2.participanttype = 'Appellant Rep 1'
WHERE
c2.year IS NULL
Order by year ASC, Caseseqnumber ASC
谢谢!
你尝试过什么?我看到“WHERE c2.year IS NULL”,所以这不会那么困难。 – 2013-05-02 14:21:44
当我尝试它删除所有正确的结果。如果我做c2.year ='2013'我没有得到我需要的结果集 – parkjohnston 2013-05-02 14:22:33
没错,但我们不知道你得到了什么结果集,以及你在找什么。不确定任何人都可能提供帮助。 – 2013-05-02 14:23:37