Database Administration & Monitoring PDB Snapshot using dbms_dnfs.clonedb_renamefile 02.01.2016 by Oracle Team By Franck Pachot . In the previous post I've explained how to use 'snapshot copy' PDB creation for thin provisioning and quick restore of initial state for continuous integration tests. If you don't have the multitenant(…)
Database Administration & Monitoring PDB snapshot copy for continuous integration testing 01.01.2016 by Oracle Team By Franck Pachot . How do you manage your continuous integration tests on the database? You need to restart at the same state for probably a hundred of tests. Recreating the schema and test data takes too long. Oracle is(…)
Database Administration & Monitoring Phantom session environment in multitenant? 27.12.2015 by Oracle Team By Franck Pachot . In multitenant a session can switch from one container to another. There are a few restrictions such as a transaction cannot span multiple containers. But how do sessions parameters behave? It seems that there is a(…)
Database Administration & Monitoring OCM 12c preparation: restore Voting disks, OCR and ASM spfile 21.12.2015 by Oracle Team By Franck Pachot . As in the previous posts, here are a few commands I used to check that I know how to restore the cluster mandatory files in 12c. It's what I'm doing while preparing the OCM 12c exam,(…)
Database Administration & Monitoring OCM 12c preparation: RAT in multitenant 20.12.2015 by Oracle Team By Franck Pachot . I have several customers that have cases where Real Application Testing can be interesting, but they don't use it because it's an expensive option. Which is why it's probably the topic listed for OCM 12c exam(…)
Database Administration & Monitoring OCM 12c preparation: Data Guard with OEM 18.12.2015 by Oracle Team By Franck Pachot . I never create a Data Guard configuration from Enterprise Manager. It's not that I don't like GUI, but it is a lot easier to document it when doing from command line: copy paste the commands (actually(…)
Database Administration & Monitoring OCM 12c preparation: documentation 18.12.2015 by Oracle Team By Franck Pachot . The OCM exam advice says: Be prepared to use the non-searchable documentation during the exam, to help you with correct syntax. I've checked that I can find quickly the documentation related with each topic listed. Here(…)
Database Administration & Monitoring OCM 12c preparation: Explain fast refresh 17.12.2015 by Oracle Team By Franck Pachot . There are some rules to be able to fast refresh a materialized view (which means, refresh it so that it is not stale, and without running the whole query). Documentation is in the Datawarehouse Guide, but(…)
Database Administration & Monitoring, Oracle OCM 12c preparation: Transportable Tablespaces 15.12.2015 by Oracle Team By Franck Pachot . I use transportable tablespaces a lot since 8i, here are just a few examples. Same disclaimer here as in the first post of the series: don’t expect to get those posts close to what(…)
Operating systems Mail mit Format und Priorität aus Linux 10.12.2015 by Oracle Team Ausgangslage Ein Kunde hat mit kürzlich danach gefragt, wie ich den Output eines Scripts auf einer Linuxplattform per Mail sauber formatiert versenden kann. Als Beispiel nehmen wir folgendes: ____________________________________________________________________________________________________________________ File System free space on fed22v1.localdomain ____________________________________________________________________________________________________________________ | | | Mb-Total(…)