db.runCommand()

db.runCommand(command)

参数:

• command (string) – Specifies a database command in the form of a document.
• command – When specifying a command as a string, db.runCommand() transforms the command into the form { command: 1 }.

Provides a helper to run specified database commands. This is the preferred method to issue database commands, as it provides a consistent interface between the shell and drivers.

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• db.serverBuildInfo()  >