función de PHP mysqli_multi_query ()
PHP Manual de Referencia MySQLi
Ejemplos
Realizar múltiples consultas en la base de datos:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql = "SELECT Lastname FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if (mysqli_multi_query($con,$sql))
{
do
{
// Store first result set
if ($result=mysqli_store_result($con))
{
while ($row=mysqli_fetch_row($result))
{
printf("%sn",$row[0]);
}
mysqli_free_result($con);
}
}
while (mysqli_next_result($con));
}
mysqli_close($con);
?>
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql = "SELECT Lastname FROM Persons ORDER BY LastName;";
$sql .= "SELECT Country FROM Customers";
// Execute multi query
if (mysqli_multi_query($con,$sql))
{
do
{
// Store first result set
if ($result=mysqli_store_result($con))
{
while ($row=mysqli_fetch_row($result))
{
printf("%sn",$row[0]);
}
mysqli_free_result($con);
}
}
while (mysqli_next_result($con));
}
mysqli_close($con);
?>
Definición y Uso
mysqli_multi_query () realiza la función de una o más consultas en la base de datos. Varias consultas separados por punto y coma.
gramática
mysqli_multi_query( connection,query ) ;
参数 | 描述 |
---|---|
connection | 必需。规定要使用的 MySQL 连接。 |
query | 必需。规定一个或多个查询,用分号进行分隔。 |
detalles técnicos
Devuelve: | Si la primera consulta falla devuelve FALSE. |
---|---|
versión de PHP: | 5+ |
PHP Manual de Referencia MySQLi