When you create Multitenant databases with DBCA there are some Things to Know. And in Oracle Database 188.8.131.52’s Database Creation Assistant (DBCA) there is a common pitfall in the “Options” screen. It was grayed out in the previous release but when you choose to create a “custom” database you can select the options/components now.… [Read More]
Another advice regarding database creation:
Use your own templates in DBCA to create databases.
This way you can configure not only the options and components to create but also redo log layout, your set of parameters and much more. And it is less error prone than a “create database” script.
Use your own template in DBCA
Creating your own template in DBCA (Database Configuration Assistant) is quite easy and straight forward.… [Read More]
I’m giving this advice to customers for many years:
When you create a fresh Oracle database ALWAYS create databases as CUSTOM databases. Via template or not doesn’t matter.
Does the Database Configuration Assistant (DBCA) execute “datapatch -verbose” in Oracle 12.2 when you create a new database?
Does DBCA in Oracle 12.2 execute
datapatch when you create new database? I was curious if this misbehavior from the previous release has been fixed. Good news: It got fixed with Oracle Database 184.108.40.206.… [Read More]
One requirement of Transportable Tablespaces (and of course Full Transportable Export/Import as well) is to have identical database character sets AND identical time zone settings.
Source database has a lower time zone setting than the default target database in the destination home.
Lets assume you’d like to migrate an Oracle 220.127.116.11 off IBM AIX and migrate it into Oracle 18.104.22.168 on an Exadata meaning Oracle Linux 6.… [Read More]
A few weeks ago I did blog about the DBUA (Database Upgrade Assistant) not executing ‘datapatch’ (i.e. not applying the SQL changes involved with a SPU/PSU/BP) automatically:
For DBUA, please note that this behavior DOES NOT APPLY to command line upgrades done with catctl.pl – as you can see from this somewhat disturbing messages during the upgrade in phase 65 and phase 69 (which are not errors but just informational messages for datapatch’s execution):
But afterwards I have learned that things are worse.… [Read More]