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<?php
$conn = oci_connect("username", "password", "url/service_name"); //µÚÈýÏîʹÓõÄÊÇOracle Easy Connect string.Ïê¼û http://download.oracle.com/docs/cd/E11882_01/network.112/e10836/naming.htm#NETAG255
$stmt = oci_parse($conn,
"SELECT * from (SELECT rownum r,ima_file.* from ima_file) s WHERE s.r >= 9000 AND s.r <= 9020");
oci_execute($stmt, OCI_DEFAULT); //OCI_DEFAULTÒâζ×ÅÈκαä¸ü¶¼ÐèÒªCommit»òRollback
$i = 0;
echo "<table border=1><caption>IMA_FILE</caption><thead><td>¼ÆÊý</td><td>ÐÐÊý</td><td>ÁϼþºÅ</td><td>Æ·Ãû</td><td>¹æ¸ñ</td></thead>";
while ($row = oci_fetch_array($stmt, OCI_BOTH)) {
//OCI_BOTH½«´´½¨¼È¿ÉÒÔʹÓÃÊý×ÖË÷Òý,ÓÖ¿ÉÒÔʹÓÃ×Ö¶ÎÃûÖ¸ÏòÏàͬÏîµÄÊý×é.
echo "<tr><td>" . ++$i . "</td><td>$row[0]</td><td>{$row[1]}</td><td>{$row[2]}</td><td>";
/* ±¾À¸Î»¿ÉÄÜ´æÔÚNULLÖµ
* ¸ù¾ÝOCI»úÖÆ,NULLÖµ½«²»Óè¶ÁÈ¡²¢Ö±½ÓÌø¹ý.Èç3µÄ
*ÖµÊÇNULL,ÔòÊý×éÖв»»áÓÐÕâÒ»Ïî,¶øÊÇÖ±½Ó´Ó2Ìøµ½4
*(µÚËÄÏîÖµ²»ÎªNULLʱ).ËùÒÔÔÚÕâÖÖÇé¿öϲ»¹ÜÊÇË÷Òý
*3»òÊÇ'IMA021'¶¼²»´æÔÚ.Ö±½ÓÒýÓûᱨ´í,ËùÒÔÐèÒªÏÈ
*ÐвâÊÔÔÙ½øÐÐÒýÓÃ.
*/
if (array_key_exists("IMA021", $row)) {
echo $row["IMA021"];
}
echo "</td></tr>";
}
echo "</table>";
oci_cancel($stmt); //²»ÊDZØÐë,ÔÚ´Ë×÷ΪÑÝʾ
oci_close($conn);
?>


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create table emp2 as select * from emp
create table emp3 as select * from emp
create table dept2 as select * from dept
create table salgrade2 as select * from salgrade
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