Re: update statement
- From: "Jeffrey Beckstrom" <JBECKSTROM@xxxxxxxxx>
- To: "oracle-l-freelists" <oracle-l@xxxxxxxxxxxxx>, <Brian.Zelli@xxxxxxxxxxxxxxx>
- Date: Thu, 17 Feb 2011 15:16:05 -0500
In the "SET" you are not referencing the master table. You need an
alias on the master and use it in the where clauses.
Jeffrey Beckstrom
Database Administrator
Greater Cleveland Regional Transit Authority
1240 W. 6th Street
Cleveland, Ohio 44113
>>> "Zelli, Brian" <Brian.Zelli@xxxxxxxxxxxxxxx> 2/17/11 3:06 PM >>>
SQL> UPDATE s_subject
2 SET u_mrn = (SELECT u_mrn FROM annmarie.s_subject
3 WHERE annmarie.s_subject.s_subjectid = s_subject.s_subjectid)
4 where exists
5 (SELECT u_mrn FROM annmarie.s_subject
6 WHERE annmarie.s_subject.s_subjectid = s_subject.s_subjectid);
SET u_mrn = (SELECT u_mrn FROM annmarie.s_subject
*
ERROR at line 2:
ORA-01427: single-row subquery returns more than one row
Ok, I am trying to update the mrn data based on the subjectid's being
equal. It errors saying:
This is a key and there shouldn't be any duplicates. An example I saw
uses the same code.
What is wrong with the code?
Brian
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