PostgreSQL连接数据的方法和操作实例

<?php
$pg = @pg_connect("host=localhost user=postgres password=sa dbname=employes") or die("can&#39;t connect to database.");
$query = "select * from employes order by serial_no";
//$query="insert into employes values(10008,&#39;susan&#39;,&#39;1985-09-04&#39;,&#39;80&#39;,&#39;50&#39;)";
$result = @pg_query($pg, $query) or die("can&#39;t run query to table.");
//echo pg_num_rows($result); //输出多少条记录被查询
//if($result)
//{
//echo "recrods inserted sucessfully!";
//echo pg_affected_rows($result);//输出多少条记录被插入
//}
//实例一[pg_fetch_row]
echo "<table border=1>";
echo "<tr>";
echo "<td>serial_no</td>";
echo "<td>name</td>";
echo "<td>birthday</td>";
echo "</tr>";
for ($i = 0; $i < pg_num_rows($result); $i++) {
    $row = @pg_fetch_row($result) or die("can&#39;t fetch row from table.");
    $serial_no = $row[0];
    $name = $row[1];
    $birthday = $row[2];
    echo "<tr>";
    echo "<td>$serial_no</td>";
    echo "<td>$name</td>";
    echo "<td>$birthday</td>";
    echo "</tr>";
}
echo "</table>";
//实例二[pg_fetch_array]
//echo "<table border=1>";
//echo "<tr>";
//echo "<td>serial_no</td>";
//echo"<td>name</td>";
//echo"<td>birthday</td>";
//echo"</tr>";
//
//for($i=0;$i<pg_num_rows($result);$i++)
//{
//
//$row=@pg_fetch_array($result) or die("can&#39;t fetch row from table.");
//$serial_no= $row[&#39;serial_no&#39;];
//$name= $row[&#39;name&#39;];
//$birthday= $row[&#39;birthday&#39;];
//echo"<tr>";
//echo"<td>$serial_no</td>";
//echo"<td>$name</td>";
//echo"<td>$birthday</td>";
//echo"</tr>";
//
//}
//echo"</table>";
//增加,删除,修改实例
//$newrow=array("serial_no"=>"1006","name"=>"peter","birthday"=>"1990-07-03","salary"=>"90","bonus"=>"80");
//$reusult=@pg_insert($pg,"employes",$newrow) or die("can&#39;t insert data to table.");//开源代码phprm.com
//if($reusult)
//{
//echo "rechords inserted sucessfully!";
//}
//
pg_close($pg);

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