March 2012
Intermediate to advanced
442 pages
9h 31m
English
Content preview from IBM DB2 9.7 Advanced Application Developer CookbookBecome 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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Using dynamic SQL in stored procedures
Dynamic SQL is used when the SQL statement is not known at compile time. In such cases, we use PREPARE and EXECUTE statements to execute a dynamic SQL, where we get the complete SQL statement at runtime. The prepared statement is based on either a host variable or a string expression. At runtime, we make this value available for DB2 to process it. We can implement dynamic SQL in stored procedures in the same manner as in other applications. In this recipe, we will focus on using dynamic SQL in stored procedures.
How to do it...
Executing an SQL statement dynamically: To execute an SQL statement dynamically, we need to first prepare it and then execute it. The statement can be prepared from a declared variable ...
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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.