Count the number of rows in a MySQL database

Often there may be a requirement to count the number of entries in a MySQL table.


//connect to server with username and password
$connection = mysql_connect ("localhost","username", "password") or die ("Cannot make the connection");
//connect to database
$db = mysql_select_db ("test",$connection) or die ("Cannot connect to database");
//our SQL query
$sql_query = "SELECT * FROM test";
//store the SQL query in the result variable
$result = mysql_query($sql_query);
$rows = mysql_num_rows($result);
//output total
echo $rows;
?>

Display all entries in a MySQL table

This shows all the available rows in a MySQL table

//when MySQL is installed on a Windows XP rig (Not recommended)
$connection = mysql_connect ("localhost","root", "") or die ("Cannot make the connection");
//connect to the test database
$db = mysql_select_db ("test",$connection) or die ("Cannot connect to database");
//our SQL query
$sql_query = "SELECT * FROM test";
//store the SQL query in the result variable
$result = mysql_query($sql_query);
if(mysql_num_rows($result))
{ //output as long as there are still available fields
while($row = mysql_fetch_row($result))
{
echo ("$row[3]");
echo (": $row[4]
");
}
}
//if no fields exist
else
{
echo "no values in the database";
}
?>