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标题: ORA-01463: cannot modify column datatype with current constraint(s) [打印本页]

作者: admin    时间: 2016-7-17 14:28
标题: ORA-01463: cannot modify column datatype with current constraint(s)
ORA-01463: cannot modify column datatype with current constraint(s)
Cause: An attempt was made to modify the datatype of column which has
referential constraints; or has check constraints which only allows changing the
datatype from CHAR to VARCHAR or vise versa.
Action: Remove the constraint(s) or do not perform the offending operation.






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