19c Standard Edition permits 3 PDBs per CDB
articles: RDBMS ServerA very nice licensing change in 19c: you can now have up to three PDBs in a Standard Edition Multitenant database. Apart from the obvious advantage of being able to do some...
View ArticleOracle now supported on VMware
articles: Operating SystemsFor years (decades?) people have been running Oracle databases on VMs hosted by VMware, and everything has worked fine. But VMware has never been a certified platform, and if...
View ArticleHow to move a table from one schema to another
articles: RDBMS ServerMany times I've seen the question on forums "How can I move a table from one schema to another?" and the answer is always that you can't. You have to copy it. Or export/import it....
View ArticleDatabase 20c docs
articles: RDBMS ServerNow available!https://docs.oracle.com/en/database/oracle/oracle-database/20/books.htmlGoing through the New Features guide, there is a shed load of wonderful enhancements. Then...
View ArticleControlling distributed queries with hints
articles: SQL & PL/SQLRecently I've been working on tuning some distributed queries. This is not always straightforward.This is not a comprehensive discussion of the topic, rather a description of...
View ArticleInstalling database 19c on Oracle Linux 8
articles: RDBMS ServerDatabase release 19.7 (ie, 19c with the April 2020 RU) is at last certified for OL8, but there may be some hacking needed to get it installed. This certification is long overdue:...
View Articledatabase block size - does it really matter?
articles: RDBMS ServerWhat block size should you use? For what purpose? How about tablespaces in different block sizes? Any opinions?When support for multiple block sizes was introduced, I was working...
View ArticleORDS 21.x make sure you have the latest
articles: Technical ArticlesORDS version 21 was released in May, I had it tested and rolled it out in June. But once live, a problem popped up: numerous executions of this statement,SELECT COUNT(1)...
View ArticleDB 21c available for download
articles: RDBMS ServerAs from this weekend, it is here:https://www.oracle.com/database/technologies/oracle21c-linux-downloads.htmlI'll certainly install it in the next few days, there are a few...
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