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Oracle: is ROWID a NUMBER or a VARCHAR?

In Oracle, i开发者_运维知识库s ROWID a NUMBER or a VARCHAR?

Can any one help me out?


Neither. ROWID is a ROWID:

  • http://www.orafaq.com/wiki/ROWID


Technically, ROWID has its own datatype (also called ROWID or UROWID for IOTs). If you absolutely must use either NUMBER or VARCHAR datatypes, it will have to be a VARCHAR as the ROWIDs will contain more than just numbers.

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