Searching for Does Oracle 10g Support Rule Based Optimization information? Find all needed info by using official links provided below.
https://www.techrepublic.com/article/oracle-tip-the-end-of-rule-based-optimization-in-oracle-10g/
With Oracle 10g, the rule-based optimizer will no longer be available. However, find out how you can use Oracle's Auto Gathering feature to help maintain statistics. More than a decade ago, all ...
http://www.dba-oracle.com/oracle_tips_rbo_10g.htm
Sep 10, 2003 · Oracle has announced in MOSC note 189702.1 the breaking news that the rule-based optimizer will be de-supported in Oracle10g: ?Oracle Oracle10g will support only one optimizer, and all applications running on that release should use that optimizer?.
https://community.oracle.com/thread/238188
Here's what's in the Database Performance Tuning Guide 10g Release 1: Rule-based Optimization (RBO) Obsolescence RBO as a functionality is no longer supported. RBO still exists in Oracle 10g Release 1, but is an unsupported feature. No code changes have …
http://www.dba-oracle.com/oracle_tips_ault_rbo_10g.htm
Oracle 10g de-supports rule-based SQL Optimizer. ... Oracle provides several parameters that can adjust the behavior of the CBO to make it more like rule-based optimization, ... Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and ...
http://www.dba-oracle.com/oracle_tips_10g_cbo.htm
Desupport of the Rule-Based Optimizer The rule-based optimizer (RBO) will no longer be supported when Oracle9i is de-supported. The release after Oracle9i (referred to in this article as Oracle10g) will only support the cost-based optimizer (CBO). Hence Oracle9i Release 2 is the last release to support …
http://www.dba-oracle.com/oracle_tips_rbo_cbo.htm
For those experienced DBA's who wish to migrate away from rule-based optimization, here are some tips. With a large number of Oracle shops using the rule-based optimizer (RBO), migration to cost-based optimization (CBO) will become a important task when migrating to …
https://community.oracle.com/thread/507501
May 09, 2007 · Rule Based Optimization is a deprecated feature in Oracle 10g.We are in the process of migrating from Oracle 9i to 10g.I have never heard of this Rule based Optimization earlier.I have googled for the same.But, got confused with the results.
https://searchoracle.techtarget.com/answer/Rule-based-vs-cost-based-optimization
Jan 18, 2007 · A long time ago, the only optimizer in the Oracle database was the Rule-Based Optimizer (RBO). Basically, the RBO used a set of rules to determine how to execute a query. If an index was available on a table, the RBO rules said to always use the index. There are some cases where the use of an index slowed down a query.
https://docs.oracle.com/cd/B10501_01/server.920/a96533/rbo.htm
Note: If you have developed OLTP applications using Oracle version 6, and if you have tuned the SQL statements carefully based on the rules of the optimizer, then you might want to continue using the RBO when you upgrade these applications to a new Oracle release.
https://stackoverflow.com/questions/493492/oracle-10-optimizer-from-rule-to-cost-why
Oracle decided to dismiss the rule-based optimizer from version 10g, leaving the cost-based one as the only choice. I think that a rule-based optimizer has the unvaluable positive side of being always predictable.I've seen instead Oracle 10g changing execution plans from night to day, leading to …
How to find Does Oracle 10g Support Rule Based Optimization information?
Follow the instuctions below:
- Choose an official link provided above.
- Click on it.
- Find company email address & contact them via email
- Find company phone & make a call.
- Find company address & visit their office.
