ORA-01565

How to Resolve ORA-01565: error in identifying file

by Ed Chen
January 9, 2021October 16, 2021

In this post, I'll describe two error patterns for ORA-01565. Missing SPFILE Multitenant DB A. ORA-01565 for Missing SPFILE To create a plain-text parameter file,… Read More »

DB Failed by ORA-63999 ORA-00471 or ORA-19809

by Ed Chen
November 6, 2019September 25, 2021

What makes a running instance shutdown itself could be a very complicated topic to talk about, because we have to know what instance was thinking.… Read More »