The executePrereqs command executes the prerequisites checks and reports the results. This command can be used to check the environment before running dbca to create a database.

Syntax and Parameters

Use the dbca –executePrereqs command with the following syntax:

[oracle@18c admin]$ dbca -executePrereqs -help
          -executePrereqs - Command to execute prerequisite checks.
              -databaseConfigType <SINGLE | RAC | RACONENODE>
                 [-RACOneNodeServiceName <Service name for the service to be created for RAC One Node database. This option is mandatory when the databaseConfigType is RACONENODE>]
              [-nodelist <Node names separated by comma for the database>]

[oracle@18c admin]$

Run the DBCA with executePrereqs

[oracle@18c admin]$ dbca -executePrereqs -databaseConfigType SINGLE

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