1z0-052: Oracle Database 11g Administration I Table Practice Questions
The free 1z0-052: Oracle Database 11g Administration I questions that deal with table, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #5
A user needs to create a report from a large table but is concerned about performance impact. What should you suggest?
Correct answer: A
Explanation
Materialized Views can improve query performance by precomputing and storing the result set of a query, which is especially useful for generating reports from large tables.
Question #9
A database administrator finds a table is currently inaccessible due to a long-running transaction holding locks. How can they address this?
Correct answer: A
Explanation
If a transaction is holding locks and preventing access, killing the session may be necessary to release the locks and allow other transactions to proceed.
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