php update数据更新简单实例

作者：袖梨 2022-06-24

sql update记录更新详细实例

语法:

[ WITH [...n] ]
UPDATE
[ TOP (expression) [ PERCENT ] ]
{ { table_alias | | rowset_function_limited
[ WITH ( [ ...n ] ) ]
}
| @table_variable
}
SET
{ column_name= { expression | DEFAULT | NULL }
| { udt_column_name.{ { property_name= expression
| field_name=expression }
| method_name(argument [ ,...n ] )
}
}
| column_name { .WRITE (expression,@Offset,@Length) }
| @variable=expression
| @variable= column=expression
| column_name { += | -= | *= | /= | %= | &= | ^= | |= } expression
| @variable { += | -= | *= | /= | %= | &= | ^= | |= } expression
| @variable=column { += | -= | *= | /= | %= | &= | ^= | |= } expression
} [ ,...n ]

[ ]
[ FROM { } [ ,...n ] ]
[ WHERE {
| { [ CURRENT OF
{ { [ GLOBAL ] cursor_name }
| cursor_variable_name
}
]
}
}
]
[ OPTION ( [ ,...n ] ) ]
[ ; ]

::=
{
[ server_name . database_name . schema_name .
| database_name .[ schema_name ] .
| schema_name .
]
table_or_view_name}

实例 php教程

mysql教程_connect("mysql153.secureserver.net","java2s","password");
mysql_select_db("java2s");

$query = "UPDATE Employee SET salary = '39.99' ";
$result = mysql_query($query);
echo "There were ".mysql_affected_rows()." product(s) affected. ";

?>


利用update 更新数据

mysql_connect("mysql153.secureserver.net","java2s","password");
mysql_select_db("java2s");

$rowID = "0001";
$name = "Kate";
$price = "12";

$query = "UPDATE Employee SET name='$name', price='$price' WHERE ID='$rowID'";
$result = mysql_query($query);

if ($result)
echo "

The developer has been successfully updated.

";
else
echo "

There was a problem updating the developer.

";

?>

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