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Asked: 2026-05-20T01:58:29+00:00

Why does MySQL return # MySQL returned an empty result set (i.e. zero rows).

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Why does MySQL return # MySQL returned an empty result set (i.e. zero rows). and 3 row(s) affected.? Is there anything wrong in my SQL statements?

CREATE TABLE IF NOT EXISTS `test` (
  `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
  `order` mediumint(8) NOT NULL,
  `url` varchar(70) COLLATE utf8_unicode_ci NOT NULL,
  `title` varchar(70) COLLATE utf8_unicode_ci NOT NULL,
  `content` text COLLATE utf8_unicode_ci,
  PRIMARY KEY (`id`),
  UNIQUE KEY `url` (`url`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;

# MySQL returned an empty result set (i.e. zero rows).

INSERT INTO `test` (`id`, `order`, `url`, `title`, `content`) VALUES
(52338, 1, '', 'Home', 'content'),
(70104, 2, 'about', 'About', 'content'),
(27034, 3, 'portfolio', 'Portfolio', 'content');
# 3 row(s) affected.
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1 Answer

  1. Editorial Team

    The number of affected rows and the length of the result set are two different things.

    Generally, INSERT, UPDATE and DELETE statements affect rows, while SELECT returns a result set which may be empty if no rows were matched according to the condition.

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