O'Reilly logo

Oracle SQL Recipes: A Problem-Solution Approach by Darl Kuhn, Bob Bryla, Grant Allen

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 15. Partitioning

If you work with large tables and indexes, at some point you'll experience some performance degradation as the row counts grow into the hundreds of millions. Even efficiently written SQL executing against appropriately indexed tables will eventually slow down as table and index sizes grow into the gigabytes, terabytes, or even higher. For such situations you'll have to devise a strategy that allows your database to scale with increasing data volumes.

Oracle provides two key scalability features: parallelism and partitioning—mechanisms that enable good performance even with massively large databases. Parallelism allows Oracle to start more than one thread of execution to take advantage of multiple hardware resources. Partitioning ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required