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 joze-senegacnik.blogspot.com
Understanding Oracle: Maintaining Tempfile in TEMP Tablespace of PDB$SEED in Oracle 12c (12.1.0.2)
| | hemantoracledba.blogspot.com
Hemant's Oracle DBA Blog: 12cR1 RAC Posts -- 9 : Adding a Service to a PDB in RAC
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| | An Oracle Database DBA (Database Administration) Blog.
| | oralytics.com
My first steps with Oracle 12c « Ora-lytics
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| | Oracle 12c was released just over a week ago and I've finally managed to get round to installing it.This must be the first time that I have done an install of an newly release Oracle Database, where everything worked first time. Typically I have learned from the past and have left it a few months...
| | dbamarco.wordpress.com
Orphaned Clone PDB | Marco's DBA Blog
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| | I just had some fun with Oracle 12c PDBs and snapshot clones. In the alert.log I found some unexpected errors "ORA-01157: cannot identify/lock data file XX". The file was part of a PDB which I used for testing. So I investigated that and found the file which was pretty small. So my assumption was that...
| | www.bobbydurrettdba.com
Cardinality errors across joins | Bobby Durrett's DBA Blog
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| We have been discussing query tuning at work and I've come back to an example of the Oracle optimizer choosing the wrong plan due to an error in its calculation of the number of rows returned...