October 2004
Intermediate to advanced
896 pages
17h 29m
English
Content preview from Oracle Database 10g PL/SQL ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 16Large Objects
VARCHAR2 and CHAR datatypes are great for storing small amounts of data, but what if you need to store large amounts of data such as chapters of a book, an image of the book cover, or the complete book in PDF format? Oracle provides LOB (Large OBject) datatypes to work with these kinds of data. In this chapter we look at the different kinds of LOBs, ways to manipulate them using SQL and PL/SQL, the DBMS_LOB package, and performance considerations when working with LOBs, including the use of Oracle Text.
Introduction to Large Objects
First introduced in Oracle 8, large objects, or LOBs, provide a means to store, manipulate, and retrieve large amounts of text and binary data. Prior to Oracle 8, LONG and LONG RAW datatypes ...
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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.
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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.