**Only Zend comes with Oracle


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Name**Only Zend comes with Oracle
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Oracle

MySql

Sqlite

Connect

**Only Zend comes with Oracle

Oci8 extension

Connect

Connect

$conn = oci_connect('username', 'userpassword', 'Instancename.connectiionpath’);


$dbh = new PDO('mysql:host=xxxx;dbname=xxxx,'user','password’);

$db = new PDO("sqlite:filename.db");

Catch execpton

Catch exeption

Catch Exception

if (!$conn) {

$e = oci_error();

trigger_error(htmlentities($e['message'], ENT_QUOTES), E_USER_ERROR);

}


catch (PDOException $e) {

print "Error!: " . $e->getMessage() . "
";

die();

}

catch(PDOException $e)

{

print 'Exception : '.$e->getMessage();

}


close

close

close

oci_close($conn);

$dbh = null;

$db = NULL;

Reads don’t block reads and writes don’t block reads. Deadlocks are rare.

Almost unlimited possibilities with PL/SQL programming.

High level of security is inherently built into Oracle.

Expensive: Requires an Oracle DBA or a DBA service provider to remotely maintain your database. A cloud instance provider like Amazon is an inexpensive option for development and startups.

Originally open source but after Oracle

acquired Sun MySql users need to buy a license for commercial use but less expensive than Oracle..

Free edition is downloadable with no warranty.
Access to tables in root can be a security risk.



A very compact flat file database with surprising capabilities. Can run on small platforms such as cell phones. The entire database can actually be sent by email as a file attachment.

http://www.sqlite.org

Easy to learn, use and manage. Opensource.


ORACLE EXAMPLE #######################################################################
// Oracle example // This example is demonstrating a PHP page using an Oracle Amazon RDS cloud instance.

**********************

Build the database on Amazon cloud first and then create and test all your pages from localhost.

The connection string will work

Must use Zend for Oracle..

If it works from your computer using localhost then deploy it to your Amazon Zend Server instance.

**********************








Calcium







Garden Foods with highest amounts of CALCIUM








Average requirement of CALCIUM for people under age 50 is 1000 mg.
A serving of dairy(milk,yogurt or cheese) is about 30% or 300mg of Calcium.

// *****above removed from other database PDO examples. *****


$conn = oci_connect('username', 'userpassword', 'yourOracleInstancename.yourmajicstringfromamazon.us-east-1.rds.amazonaws.com:1521/xxxxxx');

if (!$conn) {

$e = oci_error();

trigger_error(htmlentities($e['message'], ENT_QUOTES), E_USER_ERROR);

}

// connect to the topcalcium table and display

$stid = oci_parse($conn, 'SELECT displayline FROM topcalcium where rownum < 31 order by calcium desc');

oci_execute($stid);

echo "\n";

//echo "
\n";

while ($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_NULLS)) {

echo "\n";

foreach ($row as $item) {

echo " \n";

}

echo "\n";

}

echo "
" . ($item !== null ? htmlentities($item, ENT_QUOTES) : " ") . "
\n";

?>
// *****below removed from other database PDO examples. *****

Average requirement of CALCIUM for people under age 50 is 1000 mg.

Home


A serving of dairy(milk,yogurt or cheese) is about 30% or 300mg of Calcium.




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