Book Image

OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide

Book Image

OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide

Overview of this book

Oracle Database Server is the most widely used relational database in the world today. This book gives you the essential skills to master the fundamentals of Oracle database administration and prepares you for Oracle DBA certification."OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide" prepares you to master the fundamentals of Oracle database administration using an example driven method that is easy to understand. The real world examples will prepare you to face the daily challenges of being a database administrator.Starting with the essentials of why databases are important in today's information technology world and how they work, you are then guided through a full, customized installation of the Oracle software and creating your own personal database. We then examine fundamental concepts of Oracle, including architecture, storage structures, security, performance tuning, networking, and instance management. Finally, we take an in-depth look at some of the most important concepts in the daily life of an Oracle DBA - backup, recovery, and data migration."OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide" provides you with the skills you need in order to become a successful Oracle DBA, both for certification and real life tasks.
Table of Contents (24 chapters)
OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide
Credits
Foreword
About the Author
About the Reviewer
www.packtpub.com
Preface
Index

Test your knowledge


Q 1. Which of these block sizes cannot be used as the database block size for an Oracle database?

a. 1K

b. 2K

c. 16K

d. 32K

Q 2. Given a database with an 8 K block size, how many blocks must be read in order to return the results of a query that requests 100,000 rows that are 100 bytes in size?

a. 2

b. 14

c. 253

d. 1024

Q 3. Which of the following block sizes would be the best choice for a database used exclusively for data warehousing?

a. 1K

b. 2K

c. 12K

d. 16K

Q 4. Which of these units of data storage is a physical grouping of database blocks?

a. Table

b. Segment

c. Extent

d. Tablespace

Q 5. Which of these units of storage is the physical analogue of a table?

a. Block

b. Extent

c. Segment

d. Database

Q 6. Which of these statements will successfully create a tablespace?

a. create tablespace test datafile "E:\test_area\test01.dbf" size 100M;

b. create tablespace test datafile 'E:\test_area\test01.dbf' size 100M;

c. create tablespace test datafile 'E:\test_area\test01.dbf';

d. create tablespace...