ORA-30773: opaque types do not have default constructors Cause: Constructorinvocation did not succeed, since no user-defined constructors
were defined for the opaque type, and since opaque types do not have default
constructors. Action: Add user-definedconstructors to opaque type, or specify a member or
static method for the opaque type.
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发表于 2016-9-5 19:00:43
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