By Thomas Kyte
This is a defining booklet at the Oracle database for any developer or database administrator who works with Oracle-driven database functions. Tom Kyte has an easy philosophy: you could deal with Oracle as a black field and simply stick information into it otherwise you can know how it really works and take advantage of it as a strong computing surroundings. in case you decide on the latter, then you definately will locate that there are few details administration difficulties that you simply can't remedy speedy and elegantly.
Expert Oracle Database Architecture is the 1st of a three-book sequence that perfectly explores and defines the Oracle database. It covers the entire most crucial Oracle structure positive aspects, including:
- Files, reminiscence constructions and strategies
- Locking and latching
- Transactions, concurrency and multi-versioning
- Tables and Indexes
- Partitioning and parallelism
Each function is taught in a proof-by-example demeanour, not just discussing what it truly is, but in addition the way it works, the way to enforce software program utilizing it, and the typical pitfalls linked to it.
This absolutely revised variation covers either the 9i and 10g types. It additionally comes with a CD containing a searchable PDF of the 8i model of the book.
Tom has totally revised and improved the architecture-related sections from Expert One-on-One Oracle (a searchable PDF of that is incorporated at the CD accompanying this book), and extra colossal new fabric. He focuses completely on 9i and 10g structure during this booklet and refers back to the CD for 8i-specific information. The variety of alterations will shock you.
In precis, this ebook offers a one-stop source containing deep knowledge at the layout, improvement and management of Oracle functions, written by means of one of many world's optimum Oracle specialists, Thomas Kyte.
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Additional resources for Expert Oracle database architecture : 9i and 10g programming techniques and solutions
Unfortunately, the tool they utilized did not know about that ‐ it was developed primarily for use with another database where this was the way to get a repeatable read. Now, with the FOR UPDATE clause removed, we got some actual concurrent work done in the database. We had to figure out: • • • • How to tune SQL without changing the SQL (thatʹs hard, weʹll look at some methods in Chapter 11 on Optimizer Plan Stability). How to measure performance. How to see where the bottlenecks were. And so on.
PL/SQL procedure successfully completed. ) it will let more users use your system simultaneously. You would never consider doing this in your application ‐ you should never consider doing this in your database either. We will also discuss a specialized case where you donʹt want to use bind variables. The resulting code ran orders of magnitude faster and increased many times the number of simultaneous users that the system could support. They would not have paid this price if they had understood that it was vital to use bind variables in their application from day one.
You only need one bad apple to spoil the entire barrel. This increases your performance and greatly increases your scalability. Just to give you a tiny idea of how huge a difference this can make performance‐wise, you only need to run a very small test: tkyte@TKYTE816> alter system flush shared_pool; System altered. If I was to run this test more than one time, I would need to flush the shared pool every time, or else the non‐bind variable SQL below would, in fact, be cached and appear to run very fast.
Expert Oracle database architecture : 9i and 10g programming techniques and solutions by Thomas Kyte