Developing PHP Applications for IBM Database ... - IBM Redbooks

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International Technical Support Organization Developing PHP Applications for IBM Data Servers May 2006 SG24-7218-00
Page 1: Front cover Developing PHP Applicat
Page 5 and 6: Contents Figures . . . . . . . . .
Page 7 and 8: 5.1.5 Setting up PHP with multiple
Page 9 and 10: Figures 1-1 Web application infrast
Page 11 and 12: Tables 2-1 Customer use case: Regis
Page 13 and 14: Notices This information was develo
Page 15 and 16: Preface This IBM Redbook will help
Page 17 and 18: Kiran H. Nair is Advisory Software
Page 19 and 20: 1 Chapter 1. Technology overview As
Page 21 and 22: ► ► ► return, whereas a wirel
Page 23 and 24: Web browser HTTP Request Web server
Page 25 and 26: ► ► ► ► ► ► ► provide
Page 27 and 28: nothing architecture on one or diff
Page 29 and 30: triggers, functions, and joins. Clo
Page 31 and 32: custom modules. You can also exerci
Page 33 and 34: Important: Use either the prefork M
Page 35 and 36: Important: If you are going to use
Page 37 and 38: PHP is a powerful server-side scrip
Page 39 and 40: } } echo 'Stories for kids mostly';
Page 41 and 42: the Cloudscape Network Server using
Page 43 and 44: a high level overview of the availa
Page 45 and 46: ► ► Based on ODBC (needs Inform
Page 47 and 48: ► ► ► ► - Outstanding run-t
Page 49 and 50: 2 Chapter 2. Sample scenario descri
Page 51 and 52: 2.1 Application requirements Before
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Start Login Orders page Orders Does
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Figure 2-3 The customer registratio
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Description Basic course of action:
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Table 2-5 Customer use case: See ve
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Table 2-7 shows the requirements fo
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Table 2-9 shows the requirements fo
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number. Promotions may be added to
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Once there are any vehicles added,
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Description Basic course of action:
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► ► Maintainable. The use of Ob
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► The INVENTORY table contains in
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HTTP Request HTTP Response 1 Contro
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cannot be accessed directly. Or, yo
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After we have determined our data m
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Figure 2-23 An implementation only
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public function insertObject($sql,
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} 2.3.4 Database adapters A databas
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public abstract function delete($sq
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2.3.5 Conclusion compensate for dyn
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There will be some errors here abou
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3 Chapter 3. Zend installation and
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3. Unzip the downloaded file: cd t
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http://server:port/ZendCore/ To lea
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The Zend Core for IBM on Windows en
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and a guide for customizing the sam
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Figure 3-6 Zend Studio 5.1.0 instal
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Figure 3-8 Project Properties ► D
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Figure 3-11 Adding SQL server to th
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Figure 3-12 Zend Studio Client Tool
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Figure 3-15 Watches debug window 7.
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4 Chapter 4. PHP application develo
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will need the following tools: gcc,
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db2setup.err, located, by default,
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Configuring an Apache Derby or IBM
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the main Apache process when Apache
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• Path /opt/IBM/db2/V8.1 is the d
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cd .. rm configure ./buildconf --fo
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Note: At the time of writing, the l
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$conn_resource = db2_connect($db_na
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Connection to database failed. SQLS
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connections to the database, it is
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Handling transactions DB2_AUTOCOMMI
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► ► Forward only cursors This i
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$stmt $stmt = db2_exec($conn_resour
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Prepare the statement $stmt = db2_p
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statement resource obtained after t
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$stmt = db2_exec($conn,$statement);
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► PHP variable with just path The
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Example 4-14 Fetching image from DB
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} echo 'with Message: ' . db2_stmt_
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depend on the boolean return values
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while ($row = db2_fetch_array($stmt
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if (!$stmt) { echo 'The prepare fai
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► [PDO connection pooling] ;can h
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$constrng = 'ibm:DSN=dlrshp;UID=db2
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$dbh = new PDO($constrng, 'db2inst1
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Handling transactions PDO, by defau
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} How to catch an error As discusse
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Isolation level to use Consideratio
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You can see how you set the cursor
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} ?> echo 'Exception: ' . $exp->get
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Output parameter $sth->bindParam(2,
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Using scrollable cursors We can scr
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Free the resources You need to clos
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The steps taken by a Unified ODBC p
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odbc_commit($conn); odbc_autocommit
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} odbc_free_result($result); Using
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} echo 'Execution failed: ' . odbc_
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If using Windows, change the TraceP
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Once the program calls the db2_conn
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The level of logging is decided by
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Figure 4-1 Selecting your wizard Yo
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Figure 4-3 Event monitors in Contro
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Do the following steps to use the e
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-- 10 solutions were evaluated by t
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The steps involved in cataloging th
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5 Chapter 5. PHP applications with
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equire that the Web server machine
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main(int argc, char **argv) { char
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machines need to know on which port
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PHYSFILE 10000 # Physical log file
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Troubleshooting at initialization t
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The benefit of using precompiled pa
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Build and install Apache Web server
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server are on one machine and Infor
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way to check which options are buil
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You will notice that there is no da
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usr/local/bin. The PEAR repository
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| This software is subject to the P
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PEAR 1.4.6 stable The unixODBC inte
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Configuring Apache with PHP We have
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apache2ctl -k start ► Apache V1.3
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printf(""); } catch (PDOException $
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if ( $return == 0 ) { printf(""); p
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used here another script written wi
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Figure 5-6 unixODBC PHP parameters
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object file: No such file or direct
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Id Stmt type Database Lvl Mode ERR
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* database port 1526 */ /* database
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if (!dbh) { exit(); } /* Using PDO:
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"'" . $_POST["year"] . "'," . "'" .
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* Affected rows ? Inserted Serial V
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function simpleQuery($query) { $ism
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Example 5-43 Inserts with dynamic S
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For our Dealership application, wit
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$statement="DELETE FROM customer WH
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$parm5=11400; $parm6="cheque"; $par
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{ printf(" %s %s %s \n",$row[0],$ro
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Example 5-49 Using a class for fetc
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) The standard cursor allows you to
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Output: Array ( [0] => HY106 [1] =>
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Output without the CursorBehavior=0
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*/ $statement='SELECT c_last,c_stre
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} printf(""); exit(); /* simple que
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$row=$res->fetchRow(); if ($row) {
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issued. Looking further in the exam
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Example 5-62 Returning all rows in
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} /* for using the SQL interface ru
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} exit(); printf(" ****************
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For the explanation about why the f
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print_r(($error=$dbh->errorInfo()))
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The Informix IDS database server pr
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DROP PROCEDURE informix.register_us
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$DEBUG=1; if (isset($_POST["Button"
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DEFINE llocal_m_ac char(1); DEFINE
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let local_m_automatic = * expressio
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printf(""); printf(""); printf("");
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p_id integer, f_m_id integer, p_amo
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END PROCEDURE; Stored procedures wi
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$stmt = $dbh->prepare($spstatement)
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t_ac = local_m_ac and t_powerwindow
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new or used car for an user and pro
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if (isset($_POST["Rev"])) { $spstat
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let local_m_package = trim(m_packag
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t_year::int = local_m_year and t_co
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fclose ( $file); $stmt->bindParam(1
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In Example 5-76 on page 304, the da
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Example 5-80 on page 309 shows how
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* representation as blob object */
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$cn = odbc_connect("Driver=Informix
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} exit(); @odbc_close($cn); ?> SBLO
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Example 5-86 Exceptions with Inform
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$error=$dbh->errorInfo(); print_r($
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Error handling with ifx_* The ifx_*
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Example 2: Table doesn’t exist O
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} exit(); $str="SELECT * from carlo
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Additionally, there is an Informix
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?> If you do not work with the SQL
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{ printf("ROLLBACK %s %s \n",odbc_e
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5.2.9 PHP and Informix XPS SQL exte
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Example 5-103 provides you with a g
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MERGE statement In the Dealership a
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inventory table. When you use the s
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t_model = local_m_model and t_year:
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The values for columns in the resul
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1777 489e4d30 47e14880 2 cond wait
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10:51:58 Checkpoint Completed: dura
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- Restart the Apache Web server, us
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Figure 5-8 IBM Informix ODBC Driver
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6 Chapter 6. Port PHP applications
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DB2 migration services and support
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procedure name since a built-in fun
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'- NO EXTERNAL ACTION -' >--+------
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END@ In DB2, the BEGIN ATOMIC state
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Variables Variable SET statements i
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--+--------------------------------
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Example 6-10, the check_upd trigger
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In DB2, both Materialized Query Tab
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only minor syntax changes, the ALGO
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► ibm_db2 for PHP 4 and PHP 5.
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The mysqli functions are the improv
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Example 6-22 Connecting to a catalo
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$database = 'dlrshp'; $user = 'root
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Example 6-28 Updating a DB2 databas
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} ?> echo 'Error code: ' . mysql_er
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Example 6-33 Handling a prepared st
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Bind the parameters. $price = '2400
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► ► ► The syntax of the funct
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$custid = 1; $dlrid = 1; $vehid = 1
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A Appendix A. An introduction to Se
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including support for iteration, st
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property is read-only. Not all thes
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was found. To do this with XPath re
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Table A-2 "address" table definitio
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$table_metadata = array($contact_ta
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A.5.3 More on SDO navigation The pr
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$contact = $address->getContainer()
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client application can then continu
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} A.6 Summary SDOs add some interes
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B Appendix B. Additional material T
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Related publications The publicatio
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► IBM Informix Guide to SQL: Refe
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Index Symbols ++ 131 .htaccess 229
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E e-business 6 Edit mode 88 EM64T 1
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odbc_prepare 303 odbc_result 167, 2
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unixODBC 231, 312, 330 untrusted se
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Developing PHP Applications for IBM
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