Sample Relational Database Modern Information Systems

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1 Sample Relational Database Modern Information Systems WT 20xx/20xx Name Matriculation# audiobook-library (idea from audiobook-library Graz-Mariahilf) Table of Contents: Database Schema:... 2 Practical implementation of the database with mysql... 3 Inserting Test Data with PHP and HTML... 4 Database Queries(PHP)... 7 XSL Transformation with XSLT Page 1

2 Database Schema: Domains: ATitle string; AAuthor string; AYearPublication integer; ASpeaker string; AType string; APublishing string; AISBN integer; BBegin date; BEnd date; Cid integer; CFirstName string; CLastName string; CDateBirth date; CCity string; CPostcode integer; CAddress string; articles title articles author articles year of publication articles speaker articles type articles publishing articles international standard book number borrowings begin date borrowings end date customers id customers firstname customers lastname customers date of birth customer city customer postcode customers address Relations Relation: article(aisbn, atitle, aauthor, ayearpublication, aspeaker, atype, apublishing) Relation: borrowing(aisbn, cid, bbegin, bend) Relation: customer(cid, cfirstname, clastname, cdatebirth, ccity, cpostcode, caddress) Page 2

3 Practical implementation of the database with mysql Relation CREATE TABLE Article( AISBN VARCHAR(17) NOT NULL, ATitle VARCHAR(50) NOT NULL, AAuthor VARCHAR(50) NOT NULL, AYearPublication INTEGER, ASpeaker VARCHAR(50), AType VARCHAR(20) NOT NULL, APublishing VARCHAR(50), PRIMARY KEY(AISBN) ); CREATE TABLE Customer( Cid INTEGER NOT NULL AUTO_INCREMENT, CFirstName VARCHAR(50) NOT NULL, CLastName VARCHAR(50) NOT NULL, CDateBirth DATE, CCity VARCHAR(50) NOT NULL, CPostcode INTEGER NOT NULL, CAddress VARCHAR(50) NOT NULL, PRIMARY KEY(Cid) ); CREATE TABLE Borrowing( AISBN VARCHAR(17) NOT NULL, CId INTEGER NOT NULL, BBegin INTEGER NOT NULL, BEnd INTEGER, PRIMARY KEY(AISBN, Cid, BBegin), FOREIGN KEY(AISBN)REFERENCES Article(AISBN), FOREIGN KEY(Cid) REFERENCES Customer(Cid) ); Page 3

4 Inserting Test Data with PHP and HTML #PHP script handling the values of article_form <? /* this script will handle the variables passed from the insert_article_form.php file */ /* declare some relevant variables */ PRINT "<html>"; PRINT "<head><title>insert New Article</title></head>"; PRINT "<body>"; $atitle = $_POST["atitle"]; $aauthor = $_POST["aauthor"]; $ayearpublication = $_POST["ayearpublication"]; $aspeaker = $_POST["aspeaker"]; $atype = $_POST["atype"]; $apublishing = $_POST["apublishing"]; $aisbn = $_POST["aisbn"]; /* MySQL table created to store the data */ $tablename = "article"; // make connection to the databse require("connect.php"); $today = date("y-m-d"); PRINT "Today is: $today.<br>"; PRINT "<hr>"; PRINT "You issued the following INSERT query:<br>"; PRINT "<ul>"; PRINT "<li>title of the Article: <em>$atitle</em>"; PRINT "<li>author of the Article: <em>$aauthor</em>"; PRINT "<li>year of Publication: <em>$ayearpublication</em>"; PRINT "<li>speaker of the Article: <em>$aspeaker</em>"; PRINT "<li>publishing: <em>$apublishing</em>"; PRINT "<li>isbn: <em>$aisbn</em>"; PRINT "</ul>"; PRINT "<hr>"; /* Insert information into table */ $query = "INSERT INTO $tablename VALUES('$aisbn', '$atitle', '$aauthor', '$ayearpublication', '$aspeaker', '$atype', '$apublishing')"; // Fehler $result = MYSQL_QUERY($query); Page 4

5 PRINT "Database server response:<br>"; if($result!= 0){ $affected_rows = mysql_affected_rows(); PRINT "<strong>query OK. Rows affected $affected_rows</strong>"; else{ PRINT "<strong>query FAILED. ".'Ungültige Abfrage: '. mysql_error(). "</strong>"; PRINT "<hr>"; PRINT "<a href=\"insert_article.html\">new article</a><br>"; PRINT "<a href=\"main.html\">back</a>"; PRINT "</body>"; PRINT "</html>"; // close connection to the database require("disconnect.php");?> #inserting a new customer <? /* this script will handle the variables passed from the insert_customer.html file */ /* declare some relevant variables */ PRINT "<html>"; PRINT "<head><title>insert New Customer</title></head>"; PRINT "<body>"; $cfirstname = $_POST["cfirstname"]; $clastname = $_POST["clastname"]; $cdatebirth = $_POST["cdatebirth"]; $ccity = $_POST["ccity"]; $cpostcode = $_POST["cpostcode"]; $caddress = $_POST["caddress"]; /* MySQL table created to store the data */ $tablename = "customer"; // make connection to the databse require("connect.php"); $today = date("y-m-d"); PRINT "Today is: $today.<br>"; PRINT "<hr>"; PRINT "You issued the following INSERT query:<br>"; PRINT "<ul>"; PRINT "<li>customer first name: <em>$cfirstname</em>"; Page 5

6 PRINT "<li>customer last name: <em>$clastname</em>"; PRINT "<li>customer date of birth (YYYYMMDD): <em>$cdatebirth</em>"; PRINT "<li>customer city: <em>$ccity</em>"; PRINT "<li>customer postcode: <em>$cpostcode</em>"; PRINT "<li>customer address: <em>$caddress</em>"; PRINT "</ul>"; PRINT "<hr>"; /* Insert information into table */ $query = "INSERT INTO $tablename VALUES(NULL, '$cfirstname', '$clastname', '$cdatebirth', '$ccity', '$cpostcode', '$caddress')"; $result = MYSQL_QUERY($query); PRINT "Database server response:<br>"; if($result!= 0){ $affected_rows = mysql_affected_rows(); PRINT "<strong>query OK. Rows affected $affected_rows</strong>"; else{ PRINT "<strong>query FAILED. ".'Ungültige Abfrage: '. mysql_error(). "</strong>"; PRINT "<hr>"; PRINT "<a href=\"insert_customer.html\">new customer</a><br>"; PRINT "<a href=\"main.html\">back</a>"; PRINT "</body>"; PRINT "</html>"; // close connection to the database require("disconnect.php");?> Page 6

7 Database Queries(PHP) Find all articles borrowed by a specific customer... <? /* this script find the data of the chosen article of find_article_form */ PRINT "<html>"; PRINT "<head><title>find Article by chosen Customer</title></head>"; PRINT "<body>"; /* declare some relevant variables */ $cid = $_POST["cid"]; // make connection to the databse require("connect.php"); $query = "SELECT article.aid, article.atitle, article.aauthor FROM article, borrowing WHERE article.aid = borrowing.aid and borrowing.cid='$cid'"; $result = MYSQL_QUERY($query); /* How many rows in the result? */ $number = MYSQL_NUMROWS($result); $i = 0; if($number == 0){ PRINT "No Articles borrowed by this customer"; elseif ($number > 0){ PRINT "<table border = 1>"; PRINT "<tr>"; PRINT "<td>aid</td>"; PRINT "<td>atitle</td>"; PRINT "<td>aauthor</td>"; PRINT "</tr>"; while($i < $number) { $aid = mysql_result($result, $i, "AId"); $atitle = mysql_result($result, $i, "ATitle"); $aauthor = mysql_result($result, $i, "AAuthor"); PRINT "<tr>"; PRINT "<td>$aid</td>"; PRINT "<td>$atitle</td>"; PRINT "<td>$aauthor</td>"; PRINT "</tr>"; $i++; Page 7

8 PRINT "</table>"; PRINT "<p>"; PRINT "<a href=\"main.html\">back</a>"; PRINT "</body>"; PRINT "</html>"; // close connection to the database require("disconnect.php");?> Find all customers by a specific borrowed article... <? /* this script find the data of the chosen article of find_customer_form */ PRINT "<html>"; PRINT "<head><title>find Customer by chosen article</title></head>"; PRINT "<body>"; /* declare some relevant variables */ $aid = $_POST["aid"]; // make connection to the databse require("connect.php"); $query = "SELECT customer.cid, customer.cfirstname, customer.clastname FROM customer, borrowing WHERE customer.cid = borrowing.cid and borrowing.aid='$aid'"; $result = MYSQL_QUERY($query); /* How many rows in the result? */ $number = MYSQL_NUMROWS($result); $i = 0; if($number == 0){ PRINT "No Customer borrowed this book"; elseif ($number > 0){ PRINT "<table border = 1>"; PRINT "<tr>"; PRINT "<td>cid</td>"; PRINT "<td>cfirstname</td>"; PRINT "<td>clastname</td>"; PRINT "</tr>"; while($i < $number) { Page 8

9 $cid = mysql_result($result, $i, "CId"); $cfirstname = mysql_result($result, $i, "CFirstName"); $clastname = mysql_result($result, $i, "CLastName"); PRINT "<tr>"; PRINT "<td>$cid</td>"; PRINT "<td>$cfirstname</td>"; PRINT "<td>$clastname</td>"; PRINT "</tr>"; $i++; PRINT "</table>"; PRINT "<p>"; PRINT "<a href=\"main.html\">back</a>"; PRINT "</body>"; PRINT "</html>"; // close connection to the database require("disconnect.php");?> Get a list of most borrowed articles. <? /* this script makes a list with the most borrowed articles */ PRINT "<html>"; PRINT "<head><title>find most borrowed articles</title></head>"; PRINT "<body>"; // make connection to the databse require("connect.php"); $query = "SELECT article.aid, article.atitle, article.aauthor, article.aspeaker FROM article, borrowing WHERE article.aid = borrowing.aid Group by article.aid Having COUNT(*) > 2"; $result = MYSQL_QUERY($query); /* How many rows in the result? */ $number = MYSQL_NUMROWS($result); $i = 0; if ($number == 0){ PRINT "<CENTER>"; PRINT "<P>"; Page 9

10 PRINT "No borrowed articles in the database"; PRINT "</CENTER>"; ELSEIF ($number == 1){ PRINT "<CENTER>"; PRINT "<P>"; PRINT "Only too low frequently borrowed articles in the database"; PRINT "</CENTER>"; ELSEIF ($number > 1){ PRINT "<CENTER>"; PRINT "<P>"; PRINT "Articles: $number"; PRINT "<BR>"; PRINT "<table border = 1>"; PRINT "<tr>"; PRINT "<td>aid</td>"; PRINT "<td>atitle</td>"; PRINT "<td>aauthor</td>"; PRINT "<td>aspeaker</td>"; PRINT "</tr>"; while ($i < $number) { $aid = mysql_result($result, $i, "AId"); $atitle = mysql_result($result, $i, "ATitle"); $aauthor = mysql_result($result, $i, "AAuthor"); $aspeaker = mysql_result($result, $i, "ASpeaker"); PRINT "<tr>"; PRINT "<td>$aid</td>"; PRINT "<td>$atitle</td>"; PRINT "<td>$aauthor</td>"; PRINT "<td>$aspeaker</td>"; PRINT "</tr>"; $i++; PRINT "</table>"; PRINT "</CENTER>"; PRINT "<hr>"; PRINT "<a href = \"main.html\">back</a>"; PRINT "</body>"; PRINT "</html>"; // close connection to the database require("disconnect.php");?> Page 10

11 XSL Transformation with XSLT Clientside <?php header("content-type: text/xml"); /*this script will create a list of borrowings */ /* declare some relevant variables */ // make connection to the databse require("connect.php"); /* Select the data from the database */ $query = "select customer.cfirstname, customer.clastname, article.atitle, article.atype, borrowing.bbegin, borrowing.bend from customer, article, borrowing where customer.cid = borrowing.cid and article.aisbn = borrowing.aisbn"; $result = MYSQL_QUERY($query); /* How many rows in the result? */ $number = MYSQL_NUMROWS($result); /* Print these results into an XML file*/ $i = 0; $content.= "<?xml-stylesheet type=\"text/xsl\" href=\"kidsstyle.xsl"?>\n"; $content.= "\n"; $content.= "<borrowings>\n"; if ($number > 0){ while ($i < $number){ $cfirstname = mysql_result($result, $i, "cfirstname"); $clastname = mysql_result($result, $i, "clastname"); $atitle = mysql_result($result, $i, "atitle"); $bbegin = mysql_result($result, $i, "bbegin"); $bend = mysql_result($result, $i, "bend"); $content.= "\n"; $content.= "<borrowing bbegin = \"$bbegin\" bend = \"$bend\">\n"; $content.= "<customer>$cfirstname</customer>\n"; $content.= "<customer>$clastname</customer>\n"; $content.= "<article>$atitle</article>\n"; Page 11

12 $content.= "\n"; $content.= "\n"; $i++; $content.= "</borrowings>\n"; echo $content; // close connection to the database require("disconnect.php");?> Serverside <?php /* this script will creating the list of borrowings in correct style */ /* declare some relevant variables */ // make connection to the databse require("connect.php"); /* Select the data from the database */ $query = "select customer.cfirstname, customer.clastname, article.atitle, article.atype, borrowing.bbegin, borrowing.bend from customer, article, borrowing where customer.cid = borrowing.cid and article.aisbn = borrowing.aisbn"; $result = MYSQL_QUERY($query); /* How many rows in the result? */ $number = MYSQL_NUMROWS($result); /* Print these results into an XML file*/ $i = 0; $content = "<"; $content.= "?xml version=\"1.0\" encoding=\"utf-8\"?"; $content.= ">\n"; $content.= "\n"; $content.= "<borrowings>\n"; if ($number > 0){ while ($i < $number){ $cfirstname = mysql_result($result, $i, "cfirstname"); Page 12

13 $clastname = mysql_result($result, $i, "clastname"); $atitle = mysql_result($result, $i, "atitle"); $bbegin = mysql_result($result, $i, "bbegin"); $bend = mysql_result($result, $i, "bend"); $content.= "\n"; $content.= "<borrowing bbegin = \"$bbegin\" bend = \"$bend\">\n"; $content.= "<customer>$cfirstname</customer>\n"; $content.= "<customer>$clastname</customer>\n"; $content.= "<article>$atitle</article>\n"; $content.= "\n"; $i++; $content.= "</borrowings>\n"; $file = fopen("tmp.xml", "w"); fwrite ($file, $content); fclose($file); // close connection to the database require("disconnect.php"); $xml = new DomDocument; $xml->load('tmp.xml'); $xsl = new DomDocument; $xsl->load('kidsstyle.xsl'); /* Create an XSLT processor */ $proc = new XsltProcessor; $proc->importstylesheet($xsl); /* Perform the transformation */ $html = $proc->transformtoxml($xml); /* Detect errors */ if (!$html) die('xslt processing error: '.libxml_get_last_error()); /* Output the resulting HTML */ echo $html;?> #created XML file with exported data <?xml version="1.0" encoding="utf-8"?>  Page 13

14 <borrowings> <borrowing bbegin = " " bend = " "> <customer>ingrid</customer> <customer>reip</customer> <article>die Nadel</article> <borrowing bbegin = " " bend = " "> <customer>ingrid</customer> <customer>reip</customer> <article>mathematik erleben</article> <borrowing bbegin = " " bend = " "> <customer>ingrid</customer> <customer>reip</customer> <article>wie immer Chefsache</article> <borrowing bbegin = " " bend = " "> <customer>michael</customer> <customer>reip</customer> <article>die Nadel</article> <borrowing bbegin = " " bend = " "> <customer>michael</customer> <customer>reip</customer> <article>ich hab die Unschuld kotzen sehen</article> <borrowing bbegin = " " bend = " "> <customer>michael</customer> <customer>reip</customer> <article>der Schatten des Windes</article> <borrowing bbegin = " " bend = " "> <customer>markus</customer> <customer>muster</customer> <article>die Nadel</article> <borrowing bbegin = " " bend = " "> <customer>markus</customer> Page 14

15 <customer>muster</customer> <article>wie immer Chefsache</article> <borrowing bbegin = " " bend = " "> <customer>robert</customer> <customer>flocker</customer> <article>die Nadel</article> <borrowing bbegin = " " bend = " "> <customer>robert</customer> <customer>flocker</customer> <article>wie immer Chefsache</article> </borrowings> #stylesheet printstyle similar kidsstyle <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl=" xmlns:fo=" <xsl:template match="/"> <html> <body> <table> <tr> <td><strong>first Name</strong></td> <td><strong>last Name</strong></td> <td><strong>article</strong></td> <td><strong>borrowed on</strong></td> </tr> <xsl:apply-templates/> </table> </body> </html> </xsl:template> <xsl:template match="borrowing"> <xsl:apply-templates/> </xsl:template> <xsl:template match="borrowing"> <tr> <xsl:apply-templates/> <td><xsl:value-of select="@bbegin"/></td> Page 15

16 <td><xsl:value-of </tr> </xsl:template> <xsl:template match="customer"> <td> <xsl:value-of select="."/> </td> </xsl:template> <xsl:template match="article"> <td><xsl:value-of select="."/></td> </xsl:template> </xsl:stylesheet> Page 16

Sample Relational Database

Sample Relational Database Student: Alexander Rudolf Gruber MNr: 9812938 Table of Contents 1 Database Schema:... 2 2 Practical implementation of the database with mysql... 3 3 Inserting Test Data with