Explore >> Select a destination
|
You are here 
|
kerryosborne.oracle-guy.com | ||
| | | | |
www.dbi-services.com
|
|
| | | | | Thanks to a multitenant container database, it allows to manage many databases as one taking advantage of resources consolidation. A perfect way to manage several applications in a single container. However are these plugglable databases that isolated as expected? Not exactly: As I will show in this posting, a single PDB can, under certain conditions, generate a complete system outage! | |
| | | | |
hourim.wordpress.com
|
|
| | | | | The last Jonathan Lewis post on RAC Planswhich finished by the following phrases: "If you're going to hard-code hints into a query then take a look at the outline it generates when it does the right thing, and that will tell you about the 15 or so hints you've missed out. (Better still, consider generating... | |
| | | | |
tonyhasler.wordpress.com
|
|
| | | | | Note that there is a follow up to this post here that you should read after this post. Stored outlines were introduced in Oracle 9i as a way of helping stabilise execution plans. In 11gR1 these are deprecated in favour of enterprise-edition-only SQL Baselines (sorry standard edition users )-:) but as of 11gR2 neither facility... | |
| | | | |
www.bobbydurrettdba.com
|
|
| | | We have been discussing query tuning at work and I've come back to an example of the Oracle optimizer choosing the wrong plan due to an error in its calculation of the number of rows returned... | ||
