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标题: ORA-22859: invalid modification of columns [打印本页]

作者: admin    时间: 2016-9-1 08:14
标题: ORA-22859: invalid modification of columns
ORA-22859: invalid modification of columns
Cause:
An attempt was madeto modify an object, REF, VARRAY, nested table, or
LOB column type.
Action: Create a new columnof the desired type and copy the current column
data to the new type using the appropriate type constructor.







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