一、Examsoon認證考試題庫分享1z0-042考試考古題：
Examsoon認證考試題庫－始終致力與爲客戶提供Oracle認證的全真考題及認證學習資料,助您壹次通過Oracle認證考試。下面是Oracle認證考試1z0-042考試考古題部分分享：
1z0-042考古題問題與答案賞析
1.You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your
database. Which type of script does the backup scheduler generate?
A.SQL script
B.PL/SQL script
C.Operating System (OS) script
D.Enterprise Manager (EM) script
E.Recovery Manager (RMAN) script
Answer: E
2. As a result of performance analysis, you created an index on the prod_name column of the prod_det table, which contains about ten thousand rows. Later, you updated a product name in the table. How does this change affect the index?
A.A leaf will be marked as invalid.
B.An update in a leaf row takes place.
C.The index will be updated automatically at commit.
D.A leaf row in the index will be deleted and inserted.
E.The index becomes invalid when you make any updates.
Answer: D
3. A user is dropped from the database. Which two statements are true about the objects owned by this user? (Choose two.)
A.The objects would be deleted permanently.
B.The objects would be placed in the recycle bin.
C.The objects owned by user placed in the recycle bin would be purged.
D.The quota for the user remains until the objects in the recycle bin are purged.
E.The user object would be placed in the recycle bin, and the items in the recycle bin would be purged.
Answer: AC
4. Which three statements are correct about temporary tables? (Choose three.)
A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user's temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language (DML) locks are never acquired on the data of temporary tables.
Answer: ACE
二、1z0-042考試資料：
oracle database 10g:administration i
科目編號 : 1z0-042
科目名稱 : oracle database 10g:administration i
三、Oracle認證1z0-042考試推薦：
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10g DBA認證是業界最廣泛認可的IT技術認證之壹，也是業界最權威、最受尊敬的認證之壹。獲得1z0-042認證不僅僅能證明您的IT技術能力，更是您進入職場的敲門磚，也是提高您身價的另壹捷徑。
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