The new features could be a better caching algorithm, new SQL running, the performance situation boils down to pure Oracle kernel code. I am working on converting an Oracle 11g database to Oracle 12c.
How to check Oracle database for long running queries Stack Overflow
Both the original 11g database and new were more or less set up 'right. We also did a migration of the Oracle database from version 11g to 12c. All the migrations went more or less smoothly. But all of the sudden we.
To give you a visual picture of this, look at the below response time chart.
Is Oracle Database 12c Faster Than 11g
Then I know Oracle has made some low level kernel code optimization improvements. Sign up or log in Sign up using Google.
We need to see your table and index definitions. Since the wilcox p-value is 0.
Miscellaneous (9); Performance Tuning (11); PLSQL (6); Replication (1); SQL (1). The performance is so bad on the one 12c database that the On 11g the outer join is represented as VIEW PUSHED.
Sign up or log in.
My application, which uses an Oracle database, is going slow or appears to have stopped . It will give a complete view of database performance and resource issues.
Also, in the 12C EM Express UI we can generate an AWR.
sql Performance issues with outer joins to view in Oracle 12c Stack Overflow
. How to create a new database after initally installing oracle database 11g Express Edition?
Will Anyone Notice The Difference? To give you a visual picture of this, look at the below response time chart.
Video: 12c vs 11g performance bike Database Performance Tuning Steps - Oracle Performance Tunning
I have done some web searching and have found some people complaining about slower performance after an upgrade, but then this wasn't an upgrade but a new installation.
Thank you for your comments, krokodilko.
Video: 12c vs 11g performance bike 12c Adaptive Optimization - Kerry Osborne
The blue histogram on the left is 12c and the red histogram on the right is 11g. Of course, you very much need to compare before and after.