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<p><b><span style="font-size:22pt">Explaination 108: </span></b></p>
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The ROWID datatype stores information related to the disk location of table rows. They also uniquely identify the rows in your table. The ROWID datatype is stored as a hexadecimal string. <br>
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Incorrect Answers <br>
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A: It is not a binary data. The ROWID datatype is a hexadecimal string. <br>
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B: It is not a character data. The ROWID datatype is a hexadecimal string. <br>
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C: It is not a raw binary data. The ROWID datatype is a hexadecimal string. <br>
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D: It is not binary data stored in an external file. The ROWID datatype is a hexadecimal string. <br>
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OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 216 <br>
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Chapter 5: Creating Oracle Database Objects
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