| nested outer joins [message #1571] |
Tue, 14 May 2002 00:25  |
xycodex
Messages: 1
Registered: May 2002
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Junior Member |
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Okay, here's a problem.
Say I have a student table with the student's id as the key, and the subject codes of the four subjects he is taking, 5 fields in all.
In the subject table, I have the subject code as a key and the subject name.
SO: how do I query the database such that i can get the student's id and the name of the 4 subjects in each row??
I can do that using table aliases and nested outer joins in MS access, but how do you do it in oracle??
is it possible to nest outer joins in oracle??
i'm using oracle 73 here
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| Re: nested outer joins [message #1589 is a reply to message #1571] |
Wed, 15 May 2002 06:15  |
John R
Messages: 156
Registered: March 2000
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Senior Member |
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If I read your question correctly, the answer would look something like:
SELECT st student_id, s1.subject_name, s2.subject_name, s3.subject_name, s4.subject_name
FROM student st,subject s1,subject s2,subject s3, subject s4
WHERE st.subject_code = s1.subject_code(+)
AND st.subject_code = s2.subject_code(+)
AND st.subject_code = s3.subject_code(+)
AND st.subject_code = s4.subject_code(+);
IF this isn't what you were looking for, just say so.
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