January 2012
Intermediate to advanced
542 pages
11h 28m
English
Content preview from Oracle Database 11gR2 Performance Tuning 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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Reducing the number of requests to the database using stored procedures
To achieve better performance, we should reduce the number of requests made to the database, especially if those requests have to be routed to a network. There are many strategies to reduce these requests. In this recipe, we discuss the use of stored procedures and packages for achieving this goal.
In this recipe, we execute a simple query in the SH schema. In the first script, we will use SQL*Plus to test the SQL statement and the corresponding stored procedure execution. In the Java program, we will use the same query and stored procedure. For each of these tests, record the execution time.
How to do it...
Th e following steps will demonstrate how to reduce the number of requests ...
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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.