标题: ORA-30772: opaque types do not have default constructors [打印本页] 作者: admin 时间: 2016-9-5 15:45 标题: ORA-30772: opaque types do not have default constructors ORA-30772: 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.