Book Image

OCA Oracle Database 11g: SQL Fundamentals I: A Real World Certification Guide ( 1ZO-051 )

By : Steve Ries
Book Image

OCA Oracle Database 11g: SQL Fundamentals I: A Real World Certification Guide ( 1ZO-051 )

By: Steve Ries

Overview of this book

<p>The Oracle Database 11g: SQL Fundamentals I exam is the first stepping stone in getting the Oracle Certified Associate Certification for Oracle Database 11g. The SQL programming language is used in every major relational database today and understanding the real world application of it is the key to becoming a successful DBA.<br /><br />This book gives you: the essential real world skills to master relational data manipulation with Oracle SQL and prepares you to become an Oracle Certified Associate. Beginners are introduced to concepts in a logical manner while practitioners can use it as a reference to jump to relevant concepts directly.<br /><br />We begin with the essentials of why databases are important in today's information technology world and how they work.<br /><br />We continue by explaining the concepts of querying and modifying data in Oracle using a range of techniques, including data projection, selection, creation, joins, sub-queries and functions. Finally, we learn to create and manipulate database objects and to use them in the same way as today's expert SQL programmers.<br /><br />This book prepares you to master the fundamentals of the SQL programming language using an example-driven method that is easy to understand<br /><br />This definitive certification guide provides a disciplined approach to be adopted for successfully clearing the 1Z0-051 SQL Fundamentals I exam, which is the first stepping stone towards attaining the OCA on Oracle Database 11g certification.<br /><br />Each chapter contains ample practice questions at the end. A full-blown mock test is included for practice so you can test your knowledge and get a feel for the actual exam.</p>
Table of Contents (20 chapters)
OCA Oracle Database 11g: SQL Fundamentals I: A Real-World Certification Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Test your knowledge


  1. What is the name given to the set of rules that define a programming language's structures, symbols, and semantics?

    a. Projection

    b. Restriction

    c. Syntax

    d. If..then

  2. In which of these statements is case preserved?

    a. SElect * from employee;

    b. select first_name "My Name" from employee;

    c. SELECT BLOG_ID FROM BLOG;

    d. SelECt diSTINCT branch_ID, BRANCH_name from branch;

  3. Which of these symbols is a valid statement terminator in Oracle SQL?

    a. !

    b. *

    c. ;

    d. &

  4. Which of these is not a valid SQL statement?

    a. select first_name from employee;

    b. select * from message;

    c. select from award_date award;

    d. select website_url from website;

  5. The process of displaying one or more columns from a table is known as:

    a. Projection

    b. DISTINCT

    c. Restriction

    d. Selection

  6. Which of these is not a valid SELECT statement (refer to the Companylink tables, if needed)?

    a. select LAST_NAME from employee;

    b. select project_description from project;

    c. select employee_id from email;

    d. select address_ id from address;

  7. Which...