Nov 4, 2022 · 1 Answer 1 ... Foreign keys may be defined as multiple columns. However, a composite foreign key must reference a composite primary or unique key ...
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How to fix ora 02270 no matching unique or primary key for this column list?
What is primary key error?
What is primary key foreign key error?
What is the difference between primary key and unique key in stackoverflow?
Apr 10, 2016 · The problem is that EMP_ID (by itself) isn't a primary or unique key of table Employees , instead, you have a compound primary key (EMP_ID, ...
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Dec 4, 2021 · The error is obvious: column room_charges in table room_details is not primary key or unique. It probably really isn't unique; the primary key ...
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Dec 5, 2019 · The error message is clear enough. For each foreign key defined in your table, the referenced table column needs to be unique or primary key ...
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May 29, 2012 · The ORA-2270 error is a straightforward logical error: it happens when the columns we list in the foreign key do not match a primary key or ...
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Aug 7, 2016 · I am creating a simple database and I keep encountering this error, ORA-02270: no matching unique or primary key for this column-list. I have ...
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Mar 18, 2016 · First, the answer from mustaccio is correct. The column 'studentSemesterExcellent' in table 'student' is no key column.
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Feb 13, 2014 · It says error on the line before the ")" in professor script, which references People(name, ssn, G#) I couldnt figure what the problem is. sql ...
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Jan 2, 2014 · The first 3 tables are created without a problem, but the last one give me the error "ORA-02270: no matching unique or primary key for this ...
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