display null values
Dear all,
I have 3 tables and all the 3 tables are joined and created a command objet in crystal reports
Following are the tables and the command code.
My expected op is mentioned at the last.
Pls help me to create a report.
table a1
empno ename
1 a
2 b
3 c
table a2
empno dob
1 1
2 2
3 3
table a3
dob djoin
1 20130101
1 20130201
1 20130301
2 20140101
2 20140201
2 20140301
3 20150101
3 20150201
3 20150301
SELECT dbo.A1.empno, dbo.A1.ename, dbo.A2.dob, dbo.A3.djoin
FROM dbo.A3 RIGHT OUTER JOIN
dbo.A2 ON dbo.A3.dob = dbo.A2.dob RIGHT OUTER JOIN
dbo.A1 ON dbo.A2.empno = dbo.A1.empno
empno ename dob djoin
1 a 1 20130101
1 a 1 20130201
1 a 1 20130301
2 b 2 20140101
2 b 2 20140201
2 b 2 20140301
3 c 3 20150101
3 c 3 20150201
3 c 3 20150301
ip parameter is djoin
say 20130101 to 20130101
i want the following op
empno empname count
1 a 1
2 b 0
3 c 0
Thanks
Nick
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