August 2016
Intermediate to advanced
512 pages
21h 2m
English
book
Real World SQL and PL/SQL: Advice from the Experts
by Arup Nanda, Brendan Tierney, Heli Helskyaho, Martin Widlake, Alex Nuitjen
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CHAPTER4
Regular Expressions
Support for regular expressions was added to the Oracle Database to expand on single- and multiple-character wildcard searches to allow for more complicated search patterns. This greatly enhances searching capabilities; however, writing regular expressions can prove quite tricky. Sometimes it requires a different way of thinking. This chapter discusses the regular expression functions in Oracle.
With the arrival of Oracle Database 12c, pattern matching got another boost with the introduction of match_recognize. This functionality will be briefly explained toward the end of the chapter.
Also in Oracle Database 12c
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.