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SQL suggestions needed
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General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00331812
Message ID:
00331833
Views:
19
Two poosibilites off the top here :

1. If removing the right join yields no records maybe the where clause condition is never satisfied or one of the inner join condition is not met. Do all the tables have the proper "propid" values?

2. Is the "right join" correct? Maybe it should be a "left join"? It seems

>Hi everybody,
>
>I'm trying to select something without luck. Let me describe the problem:
>
>I have several relational tables, one of which contains information about transactions. My form allows me to specify different criteria, like geography, for example. Say, I select a town, for which I have no transactions in a particular time period. I want to have this record in returning result with NULL in all fields. How can I achieve this?
>
>This is my SQL:
>
>SELECT * FROM tranmstr left JOIN misclndr on tranmstr.tranid = misclndr.tranid inner JOIN propmstr on tranmstr.propid = propmstr.propid inner JOIN sitemstr on tranmstr.propid = sitemstr.propid left JOIN bldgmstr on tranmstr.propid = bldgmstr.propid <b>right join Towns on SiteMstr.Town=Towns.Town</b> where (prefcode = "P" and sitemstr.town="GOSN" and SOURCE="S") and between(tranmstr.extrYear+tranmstr.extrWeek ,oJC.LowWeek, oJC.HighWeek)  INTO TABLE &qry_arg3
>
>
>The selected part doesn't work. VFP holds up. If I exclude right join Towns, I receive zero (0) records. How can I change this SQL? Is it possible in just one SQL?
Ken Wardwell
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