MULTITENANT
dbca -silent -createDatabase \ -templateName General_Purpose.dbc \ -gdbname cdb1 -sid cdb1 -responseFile NO_VALUE \ -initParams db_unique_name=CDB1 \ -characterSet AL32UTF8 \ -sysPassword OraPasswd1 \ -systemPassword OraPasswd1 \ -createAsContainerDatabase true \ -numberOfPDBs 1 \ -pdbName pdb1 \ -pdbAdminPassword OraPasswd1 \ -databaseType MULTIPURPOSE \ -memoryMgmtType auto_sga \ -totalMemory 1536 \ -storageType FS \ -datafileDestination "/u02/oradata/" \ -redoLogFileSize 50 \ -useOMF true \ -emConfiguration NONE \ -ignorePreReqs
NON MULTITENANT
dbca -silent -createDatabase \ -templateName General_Purpose.dbc \ -gdbname DB1 -sid db1 -responseFile NO_VALUE \ -initParams db_unique_name=DB1 \ -characterSet AL32UTF8 \ -sysPassword OraPasswd1 \ -systemPassword OraPasswd1 \ -createAsContainerDatabase false \ -databaseType MULTIPURPOSE \ -memoryMgmtType auto_sga \ -totalMemory 1536 \ -storageType FS \ -datafileDestination "/u02/oradata/" \ -redoLogFileSize 50 \ -useOMF true \ -emConfiguration NONE \ -ignorePreReqs
cd $ORACLE_BASE/cfgtoollogs/dbca
dbca -silent -deletedatabase -sourceDB <SID>