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sgl question: join 5 tables

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#1 SeenGee

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Posted 09 May 2003 - 07:25 PM

i need to join together 5 tables in a psql database i have made. the problem is that i cant seem to find the correct sql to perform the join.
the tables i have are group, person, contacts, movements and treatments. group and person are connected by a group_id, established in group, each entry in the person table also has a group_id. the other tables are connected by person_number, established in person and a foreign key in all the other tables.
Would really appreciate some help.


#2 effigy

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Posted 10 May 2003 - 02:18 PM

something like this?

SELECT [columns] from group, person, contacts, movements, treatments LEFT JOIN group ON group.group_id=person.group_id LEFT JOIN [tablename] ON [condition]...

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