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- Causa
- THE PRIMARY KEY CLAUSE, A FOREIGN KEY CLAUSE, OR A UNIQUE CLAUSE IDENTIFIES COLUMN column-name MORE THAN ONCE.
PRIMARY KEY, FOREIGN KEY, or UNIQUE can each be followed by a list of column names.
The statement violates the rule that no column name can appear more than once in any such list.
- Ação do sistema
- The statement cannot be executed.
- Resposta ao Desenvolvedor
- Correct the statement to specify unique names for each column.
SQLSTATE: 42709
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