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You do not need the single quotes, that will change the variables into a string. Variables inside a double quote will parse into their value.<br />
<br />

<pre><code id="code-20-41868235-1">$sql3 = &quot;UPDATE urunler SET tavsiye= $tavsiye WHERE id= $id&quot;;

$result3 = $conn-&gt;query($sql3);</code></pre>
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You do not need the single quotes, that will change the variables into a string. Variables inside a double quote will parse into their value.



$sql3 = "UPDATE urunler SET tavsiye= $tavsiye WHERE id= $id";

$result3 = $conn->query($sql3);

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what is wrong with my sql statement?<br />
I use php and mysql<br />
$id is an integer<br />
<br />
$sql3 = &quot;UPDATE urunler SET tavsiye='$tavsiye' WHERE id='$id'&quot;;<br />
<br />
$result3 = $conn-&gt;query($sql3);
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what is wrong with my sql statement?
I use php and mysql
$id is an integer

$sql3 = "UPDATE urunler SET tavsiye='$tavsiye' WHERE id='$id'";

$result3 = $conn->query($sql3);

MYSQL simple update statement

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MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.