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Recently I got a question of a customer regarding a failover configuration. They wanted to install a second server acting as a failover server, switched off until the primary experiences an outage, and they don’t want to pay licenses for it. By bringing the failover-server to life and restore the backup,  business continues on this [...]
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Why is this a separate blogpost? It is clearly described at the github-page with Vagrant-boxes, so what can be added? Well… it didn’t work. For me anyway. The database wasn’t created in de VM, so the rest was of no use either. The cause? A combination of Windows and github-repository. For now it’s a bug [...]
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I passed the 1Z0-932- exam, known as “Oracle Cloud Infrastructure 2018 Architect Associate”. This was not a ‘walk in the park’ (for me), so I decided to share some experiences of my preparations. What not to do and what definitely should be done. I already had some experience with the Oracle cloud, but not the [...]
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A short post after a tweet of Johannes Ahrends (@carajandb on twitter). He brought to our attention that he was worried: SE2 doesn’t include RAC anymore in 19c. Is it a documentation bug? Unfortunately not… his worries appeared to be ligitimate.  He made a blogpost about it – in the German language. Tried to summarize [...]
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Oracle licensing is mostly a substantial part of the costs of running Oracle software. And every change in the Oracle environment, whether it is about new hardware, going to the cloud, or up- or down- scaling, licensing is involved. And knowledge about Oracle licensing is needed to save costs or avoid being incompliant. Over the [...]
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During a migration of a database, a remote export/import procedure (through database-link) fails intermittently. Some tables are skipped during export, with the familiair ‘ORA-0155’ error. Snapshot too old. Procedure hasn’t changed. What’s going on, besides the obvious reasons for an ORA-0155. Database version changed from 10.2.0.4 to 11.2.0.4. Examining the expdp-log file: ORA-31693: Table data [...]
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Customer got the following internal error message : ORA-600 [kdsgrp1] SQL> analyze table OPS$DWHPOPR_TEST.DWH_EURTABLE validate structure online; ERROR at line 1: ORA-01498: block check failure - see trace file.
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Oracle is eager to offer companies a ULA, an Unlimited License Agreement, especially at the end of the financial year. If these companies are considering an ULA, this company obviously met the criteria : a large company with Oracle products in their roadmap, and anticipating a growing usage of Oracle products.   This offer will [...]
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