ORA-32002 and ORA-32001 when upgrading a database with DBUA
Some days ago I upgraded some Oracle 18c databases to Oracle 19c with the Database Upgrade Assistant (DBUA). Usually, I prefer command line tools, but for some reason I chose DBUA this time. Basically, everything went fine, except an error message in the middle of the upgrade: „ORA-32002: cannot create SPFILE already being used by…
Oracle 18c/19c: Running a “read-only-Oracle-home” on a read-only-filesystem
In Oracle 18c Oracle introduced a new feature, called “read-only-Oracle-Home”. By configuring an Oracle-Home-directory of your RDBMS-installation as “read-only”, Oracle will place all the configuration files like spfile etc. outside the directory tree of your $ORACLE_HOME and will basically move them to “$ORACLE_BASE/dbs” and “$ORACLE_BASE/homes”. But if the software is “read-only”, can we place the…
Oracle 18c Express Edition: How to create a second database
Not everything that is technically possible is allowed. And so of course for the Oracle Database 18c Express Edition the restriction is clear: “One instance per environment”. “Environment” means a VM, a physical server etc.. But maybe you can run two XE databases on one server after all? Let’s give it a try.