OCA: Oracle 10g™ Administration I: Study Guide

6.11. Answers to Review Questions

1. B. Authentication by the operating system is called external authentication, and the Oracle account name must match the operating system account name prefixed with the OS_AUTHENT_ PREFIX string.

2. D. Any operation that requires a large sort or other creation of temporary segments will create, alter, and drop those temporary segments in the TEMPORARY tablespace.

3. A. Altering a table in another user's schema requires either the object privilege ALTER on that object or the system privilege ALTER ANY TABLE. Option A has the correct syntax for granting the object privilege on ALTER gl.accounts to user desmond. Although option C would allow user desmond to alter his own tables, he would need the ALTER ANY TABLE privilege ...