I'm trying to use the merge statement. I have used it in the past, but not in
a long time. I'm getting an ORA-00918: column ambiguously defined error, but
it is complaining about the first "when" (when matched then) and I can't see
why. Here's the statement:
merge into coopeval_owner.students a
using (select z.rit_uid, z.lastname, z.firstname, z.middlename, z.gender,
z.citizenship1, z.citizenship2,
z.ethnicity, z.sterm, z.year_level, z.primary_program,
z.registered, z.regcoop,
z.dce, z.preferred_email, z.gpa, z.cum_gpa, z.completion_term,
z.expectedgradterm, z.leavingdate, reasonleaving,
z.facadvisorlastname, z.facadvisorfirstname, z.facadvisoruid,
z.facadvisoremail, z.advisorlastname,
z.advisorfirstname, z.advisoruid, z.advisoremail,
z.ntidsupportfacadvisorlastname,
z.ntidsupportfacadvisorfirstname, z.ntidsupportfacadvisoruid,
z.ntidsupportfacadvisoremail,
z.campus, z.numcoops, z.degree_checkout_status, z.numcoops,
p.id
from coopeval_owner.sis_import z,
coopeval_owner.programs p
where z.primary_program = p.code
and z.rit_uid is not null
and z.dce is not null) b
on (a.rituid = b.rit_uid)
when matched then update set a.lastname = b.lastname, a.firstname =
b.firstname, a.middlename = b.middlename,
a.gender = b.gender, a.citizenship1 = b.citizenship1,
a.citizenship2 = b.citizenship2,
a.ethnicity = b.ethnicity, a.currentterm = b.currentterm,
a.currentyear = b.year_level,
a.currentdce = b.dce, a.isregistered = b.registered,
a.isregisteredcoop = b.regcoop,
a.currentemail = b.preferred_email, a.currentgpa = b.gpa,
a.currentcumgpa = b.cum_gpa,
a.currentcompletionterm = b.completion_term,
a.currentexpectedgradterm = b.expectedgradterm,
a.currentleavingdate = b.leavingdate, a.reasonleaving =
b.currentleavingreason,
a.modifieddate = sysdate, a.facadvisorlastname =
b.facadvisorlastname,
a.facadvisorfirstname = b.facadvisorfirstname,
a.facadvisorid = b.facadvisoruid,
a.facadvisoremail = b.facadvisoremail, a.advisorlastname =
b.advisorlastname, a.advisorfirstname = b.advisorfirstname,
a.advisorid = b.advisoruid, a.advisoremail =
b.advisoremail, a.currentprogramid = b.id,
a.ntidsupportfacadvisorlastname =
b.ntidsupportfacadvisorlastname,
a.ntidsupportfacadvisorfirstname =
b.ntidsupportfacadvisorfirstname,
a.ntidsupportfacadvisorid = b.ntidsupportfacadvisoruid,
a.ntidsupportfacadvisoremail = b.ntidsupportfacadvisoremail,
a.campus = b.campus, a.numcoops = b.numcoops,
a.degreecheckoutstatus = b.degree_checkout_status
when not matched then insert values (b.rituid, b.lastname, b.firstname,
b.middlename, b.gender, b.isntid, b.isaalana, b.citizenship1, b.citizenship2,
b.ethnicity, b.currentterm, b.currentyear,
b.currentprogramid, b.currentsecondaryprogramid, b.currentdce, b.currentemail,
b.currentgpa, b.currentcumgpa, b.currentcompletionterm,
b.currentexpectedgradterm, 0, 0,
b.leavingdate, b.reasonleaving, b.currentadvisorlastname,
b.currentadvisorfirstname, b.currentadvisoruid, b.currentadvisoremail,
sysdate, sysdate, b.campus, b.facadvisorlastname,
b.facadvisorfirstname, b.facadvisormiddlename, b.facadvisoruid,
b.facadvisoremail, b.advisorlastname, b.advisorfirstname,
b.advisorid, b.advisoremail, b.ntidsupportfacadvisorlastname,
b.ntidsupportfacadvisorfirstname,
b.ntidsupportfacadvisorid, b.ntidsupportfacadvisoremail, b.numcoops,
b.degreecheckoutstatus);
Scott Canaan '88
Sr Database Administrator
Information & Technology Services
Finance & Administration
Rochester Institute of Technology
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