Multiple choice technology databases

Which statement describes the ROWID data type?

  1. binary data up to 4 gigabytes

  2. character data up to 4 gigabytes

  3. raw binary data of variable length up to 2 gigabytes

  4. binary data stored in an external file, up to 4 gigabytes

  5. a hexadecimal string representing the unique address of a row in its table
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

ROWID is a pseudo-column that contains the hexadecimal string representing the unique physical address of a row in its table. It is not binary data, character data, or stored externally - it is an internal identifier used by Oracle to locate rows quickly.

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