MongoDB\Driver\Monitoring\CommandStartedEvent::getDatabaseName
  Returns the database on which the command was executed
  
 
  説明
  
   final public string MongoDB\Driver\Monitoring\CommandStartedEvent::getDatabaseName()
  
 
 
  戻り値
  
   Returns the database on which the command was executed.
  
  
 
  エラー / 例外
  
   - Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.