پاسخ : حذف دیتابیس از نوع PostgreSQL !
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dropdb accepts the following command-line arguments:
dbname Specifies the name of the database to be removed.
-e
--echo
Echo the commands that dropdb generates and sends to the server.
-i
--interactive Issues a verification prompt before doing anything destructive. -q --quiet Do not display a response. dropdb also accepts the following command-line arguments for connection parameters: -h host --host host Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket. -p port --port port Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections. -U username --usernameusername User name to connect as -W --password Force password prompt.ولی دقیقا نمی دونم که چطور باید استفاده بشه (چند بار به شیوه های مختلف اجرا کردم ولی جواب نداد)
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