April 2001
Intermediate to advanced
204 pages
5h 10m
English
Content preview from Oracle PL/SQL Best PracticesBecome 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 3. Variables and Data Structures
PL/SQL is a strongly typed language. This means that before you can work with any kind of data structure, you must first declare it. And when you declare it, you specify its type and, optionally, an initial or default value. All declarations of these variables must be made in the declaration section of your anonymous block, procedure, function, or package.
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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.