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
SP2-0158 SP2-0158 means that the issued command is not supported by this release of SQL*Plus utility. For example, we use SQL*Plus 188.8.131.52 to connect to… Read More »How to Resolve SP2-0158: unknown SHOW option
You may find out there're too many PDB to make you manage them well, waste time to execute useless statements, or get lost in container… Read More »Which Container Am I Using? Where Am I?