Which statement describes the ROWID data type?（）
- A、Binary data up to 4 gigabytes.
- B、Character data up to 4 gigabytes.
- C、Raw binary data of variable length up to 2 gigabytes.
- D、Binary data stored in an external file, up to 4 gigabytes.
- E、A hexadecimal string representing the unique address of a row in its table.
正确答案:E
答案解析:有
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