随着Oracle  技术和市场的快速发展，目前从事Oracle DBA工作的人群越来越庞大，从一些我经常去的论坛和社区中大家发的帖子上看的出，很多人都渴望在现在或将来从事这一领域的工作，现在的市场需求也很大，但不难看出，各个公司对DBA这个岗位的要求也越来越高，当然了，高薪、高挑战和可持续发展的职业通道吸引了大量的年轻人去尝试进入这一领域工作.

如果你决定打算做一个Oracle DBA,那么请先完成如下的这些基本功练习,等扎好了基础,再逐步的循序渐进,由浅入深!

为了进一步提高Oracle 认证的可选性，Oracle公司现在可以提供4种不同的认证，这些都是专为从事Oracle领域工作的人员包括DBA、开发人员以及管理人员所设计的。

1z0-042 Exam
oracle database 10g:administration i
科目编号：1z0-042
科目名称：oracle database 10g:administration i
考题数目：148 Q&As
更新日期：2009-12-16

1z0-042 考试是 Oracle 公司的 oracle database 10g:administration i 认证考试官方代号，Examsoon 的 1z0-042 权威考试题库 软件是 Oracle 认证厂商的授权产品，Examsoon 绝对保证第一次参加 1z0-042 考试的考生即可顺利通过，否则承诺全额退款！

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. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure, the instance has shut down before synchronizing all the database files.
Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD