试题详情
- 单项选择题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.
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