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.
Explanation:
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.
Incorrect Answers
A:. It is not a binary data. The ROWID datatype is a hexadecimal string.
B:. It is not a character data. The ROWID datatype is a hexadecimal string.
C:. It is not a raw binary data. The ROWID datatype is a hexadecimal string.
D:. It is not binary data stored in an external file. The ROWID datatype is a hexadecimal string.
OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 216
Chapter 5: Creating Oracle Database Objects
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.