Your $key_sel is not quoted.

Use $dbh->quote($key_sel) before executing, or better yet, use placeholders.

 my $cmd = "select * from info where key = ?";
 my $sth = $dbh->prepare($cmd);
 $sth->execute($key_sel);

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For an explanation of your error, see "common pitfalls" in this tutorial.

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In reply to Re: DBD::SQLite select syntax problem by gmax
in thread DBD::SQLite select syntax problem by zentara

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