OCA Oracle Database 11g SQL Fundamentals I Exam Guide

Get full access to OCA Oracle Database 11g SQL Fundamentals I Exam Guide and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Start your free trial

CERTIFICATION OBJECTIVES

5.01 Describe Various Types of Conversion Functions Available in SQL

5.02 Use the TO_CHAR, TO_NUMBER, and TO_DATE Conversion Functions

5.03 Apply Conditional Expressions in a SELECT Statement

Two-Minute Drill

Q&A Self Test

Functions that operate on numeric, date, and character information were discussed in Chapter 4, and familiarity with that content is assumed in this chapter. Sometimes data is not available in the exact format a function is defined to accept, resulting in a data type mismatch. To ...

Get OCA Oracle Database 11g SQL Fundamentals I Exam Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now