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I am able to connect to the remote database and fetch the results when I am using core PHP-MySQL connection.

But Drupal 7 returns empty array when I am using the same remote database connection. The local database is working fine.

Below is my database connection in settings.php

$databases['default']['default'] = array (
      'driver' => 'mysql',
      'database' => 'test',
      'username' => 'test',
      'password' => 'test',
      'host' => '*****',
      'port' => '3316',
      'prefix' => '',
);

When I am accessing my site, it is just returning Arrayas output. Is it a problem with my database user permissions or should I make any changes in Drupal database settings with port?

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I resolved it. The problem is not in the database connection. I cleared the cache table in the database and it started working fine.

Earlier, I set the option 'Cache pages for anonymous users'. May be because of this, it didn't give the output.

Thanks for your answer.

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