ORA-27038

How to Resolve ORA-27038: created file already exists

by Ed Chen
December 29, 2021May 18, 2022

ORA-27038 Tried to add a data file to a tablespace, but it failed with ORA-27038. SQL> alter tablespace example add datafile '/u01/app/oracle/oradata/ORCLCDB/ORCLPDB/example03.dbf' size 10m autoextend… Read More »

How to Resize Redo Logs in Oracle

by Ed Chen
November 2, 2018November 16, 2023
4 Comments

Increase Redo Log Size The default size of redo logs during installation is 50MB which is too small for production databases. Of course, you can… Read More »

How to Resolve ORA-01516 Error Message

by Ed Chen
June 24, 2017March 14, 2023

ORA-01516: nonexistent log file, datafile, or temporary file There're two scenarios that throw ORA-01516 going to be introduced in this post. 1. Rename Tempfile I… Read More »

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