NID-00120 NID-00120 means that the current instance does not get the exclusivity of the cluster database, so DBNEWID utility (nid) cannot change the database name… Read More »How to Resolve NID-00120: Database should be mounted exclusively
ORA-01730 ORA-01730 means that the number of listed columns between the target (the view) and the source (the base table) in the CREATE VIEW statement… Read More »How to Resolve ORA-01730: invalid number of column names specified
ORA-39195 ORA-39195 means that tables that you want to export does not exist in the current database, even though you qualify exported tables by schema… Read More »How to Resolve ORA-39195: At least one schema in the TABLE_FILTER does not exist.
OS Authentication We usually connect to the database by / AS SYSDBA without providing any password for maintenance works, such as startup, shutdown and backup.… Read More »How to Connect a PDB Directly by OS Authentication
Expdp PDB as SYSDBA If we want to export data from a Pluggable Database (PDB) using expdp as sysdba by OS Authentication, we will get… Read More »How to expdp PDB as SYSDBA without Password