I m learning oracle object-relational model. I already know how to declare, call methods. but how can I add a new method to an existing object?
is there something like "alter table add function returns xxxxx" ??
感谢
I m learning oracle object-relational model. I already know how to declare, call methods. but how can I add a new method to an existing object?
is there something like "alter table add function returns xxxxx" ??
感谢
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