Exam 2 Reference Packet

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Milo Osborne
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1 CS Exam p. 1 For Problem 5 Exam 2 Reference Packet <form method="post" action="prob5.php" id="chinacloset"> <label> Number of cups: <input type="text" name="cupquant" size="5" maxlength="10" value="0" id="cupid" /> </label> <br /> <label> Number of saucers: <input type="text" name="saucquant" size="5" maxlength="10" value="0" id="saucid" /> </label> <br /> <label> Number of plates: <input type="text" name="pltquant" size="5" maxlength="10" value="0" id="platid" /> </label> <br /> <label> Number of bowls: <input type="text" name="bowlquant" size="5" maxlength="10" value="0" id="bowlid" /> </label> <br /> <input type="submit" value="ok!" /> Example 1 - uncommented version of html5-template.html <!DOCTYPE html> <html xmlns=" <title> </title> <hr /> <a href=" Validate this HTML5 page </a> For full credit, this page must also pass the tests at <a href=" (instructions modified from <ul> <li> switch to "text field" in the select box at the top left of the form (make sure JavaScript is enabled...!) </li> <li> paste in the text of your document </li> <li> in the Preset field, select: <br /> "XHTML5 with SVG MathML RDFa Lite 1.1" </li> <li> click validate </li> </ul> <a href= " <img src=" alt="valid CSS3!" height="31" width="88" />

2 CS Exam p. 2 </body> </html> </a> Example 2 - insert_odetails create or replace procedure insert_odetails(onum integer, lnum integer, isbn varchar2, oqty integer) as invalid_quantity exception; begin if (oqty < 1) then raise invalid_quantity; end if; insert into order_detail(ord_no, line_no, isbn, order_qty) values (onum, lnum, isbn, oqty); exception when dup_val_on_index then dbms_output.put_line('primary KEY VIOLATION!'); dbms_output.put_line('<' sqlcode '>' '--' sqlerrm); when invalid_quantity then dbms_output.put_line('quantity is invalid'); dbms_output.put_line(sqlcode '--' sqlerrm); when others then dbms_output.put_line('other error:'); dbms_output.put_line(sqlcode '--' sqlerrm); end; / show errors Example 3 - how_many create or replace function how_many(given_title varchar2) return integer as num_title_rows integer; num_on_hand integer; begin select nvl(count(*), 0) /* nvl returns 1st arg if it isn't null, 2nd arg */ into num_title_rows /* otherwise */ from title where title_name = given_title; if (num_title_rows = 0) then num_on_hand := 0; /* if title doesn't exist, then can't have */ /* any copies of it...! */ else select qty_on_hand into num_on_hand from title where title_name = given_title; end if; return num_on_hand; end; / show errors var num_copies number exec :num_copies := how_many('the C Programming Language') print num_copies Example 4 - formy.html <!DOCTYPE html> <html xmlns="

3 CS Exam p. 3 <title> A few more elements </title> <h1> A few more elements </h1> <form method="get" action="handle_me.php"> <label> <input type="radio" name="ice_cream_flavor" value="chocolate" /> Chocolate </label> <label> <input type="radio" name="ice_cream_flavor" value="strawberry" /> Strawberry </label> <label> <input type="checkbox" name="bike" /> Bike </label> <label> <input type="checkbox" name="car" /> Car </label> <select name="chocolate"> <option value="ghirardeli"> Ghirardeli </option> <option value="hersheys"> Hershey's </option> </select> <input type="submit" />  </body> </html> Example 5: two-value-form.css fieldset background-color: #ffffcc; margin-left: auto; margin-right: auto; width: 21em; form font-family: "Helvetica", sans-serif; input margin-bottom: 0.5em; input[type="submit"] font-weight: bold; margin-left: 10em; margin-top: 0.5em; font-family: "Helvetica", sans-serif; label.heading float: left; margin-right: 1em; text-align: right;

4 CS Exam p. 4 width: 7em; legend background-color: white; border: thin solid black; padding: 0.25em; margin-bottom: 0.25em;.right text-align: right.error color: red; padding: 1em; border: 0.2em solid black; Example 6 - two-value-form.html <!DOCTYPE html> <html xmlns=" <title> Two value form </title> <link href="two-value-form.css" <script src="two-value-form.js" type="text/javascript"> </script> <h1> Two value form </h1> <form action="handle-form.php" id="valueform" > <fieldset> <legend>enter Values</legend> <label class="heading" for="value1">value 1:</label> <input type="text" name="first" id="value1" /> <br /> <label class="heading" for="value2">value 2:</label> <input type="text" name="second" class="right" id="value2" value="13" /> <br /> <input type="submit" name="submit values" /> </fieldset>  </body> </html> Example 7 - an example external JavaScript - please2.js function saymagicword() var namefield = document.getelementbyid("enteredname"); var resultpara = document.getelementbyid("result");

5 CS Exam p. 5 if (namefield.value === "") resultpara.innerhtml = "PLEASE to unknown person!"; else resultpara.innerhtml = "PLEASE! " + namefield.value; Example 8 - js-play2.php require_once("my-std-header.txt"); <title> our second JavaScript example </title> <script src="please2.js" type="text/javascript" defer="defer"> </script> <script type="text/javascript"> window.onload = function() var mybutton = document.getelementbyid("magicbutton"); mybutton.onclick = saymagicword; ; </script> <h1> my second JavaScript example </h1> <noscript> Note - you do not have JavaScript available or enabled. This page will not work correctly without JavaScript (it is not unobtrusive enough!) <hr /> </noscript> <button id="magicbutton"> Say the Magic Word </button> <p id="result"> Waiting... Name: <input type="text" name="text1" id="enteredname" /> require_once("my-std-footer.txt");

6 CS Exam p. 6 Example 9 - request-name.php function request_name() <h2> WHAT is your NAME? </h2> <form method="post" action="<?= htmlentities($_server['php_self'], ENT_QUOTES) "> <input type="text" name="name" /> <input type="submit" value="submit it" /> Example 10 - try-oracle.php excerpt //...stuff cut... else $username = strip_tags($_post['username']); $password = $_POST['password']; $db_conn_str = "(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = cedar.humboldt.edu) (PORT = 1521)) (CONNECT_DATA = (SID = STUDENT)))"; $conn = oci_connect($username, $password, $db_conn_str); if (! $conn) Could not log into Oracle, sorry. require_once("my-std-footer.txt"); exit; $empl_query = 'select empl_last_name, hiredate, salary, commission from empl'; $stmt = oci_parse($conn, $empl_query); oci_execute($stmt, OCI_DEFAULT); <table> <caption> Employee information </caption> <tr> <th scope="col"> Employee Name </th> <th scope="col"> Hire Date </th> <th scope="col"> Salary </th> <th scope="col"> Commission </th> </tr> while (oci_fetch($stmt)) $curr_empl_name = oci_result($stmt, "EMPL_LAST_NAME");

7 CS Exam p. 7 $curr_hiredate = oci_result($stmt, "HIREDATE"); $curr_salary = oci_result($stmt, "SALARY"); $curr_commission = oci_result($stmt, "COMMISSION"); if ($curr_commission === NULL) $curr_commission = "no commission"; <tr> <td> <?= $curr_empl_name </td> <td> <?= $curr_hiredate </td> <td class="numeric"> <?= $curr_salary </td> <td class="numeric"> <?= $curr_commission </td> </tr> </table> oci_free_statement($stmt); oci_close($conn); //...rest of document... Example 11 - stored-subs-demo.php excerpt $param_play_call = 'begin param_play(:desired_date, :desired_month, :new_month); end;'; $param_play_stmt = oci_parse($conn, $param_play_call); $desired_date = strip_tags($_post['desired_date']); $new_month = strip_tags($_post['new_month']); oci_bind_by_name($param_play_stmt, ":desired_date", $desired_date); oci_bind_by_name($param_play_stmt, ":desired_month",$desired_month, 2); oci_bind_by_name($param_play_stmt, ":new_month", $new_month, 2); oci_execute($param_play_stmt, OCI_DEFAULT); param_play returned a desired month of: <?= $desired_month and a new month of <?= $new_month $how_many_call = 'begin :num_copies := how_many(:title); end;'; $how_many_stmt = oci_parse($conn, $how_many_call); oci_bind_by_name($how_many_stmt, ":num_copies", $num_copies, 4); $desired_title = strip_tags($_post['desired_title']); oci_bind_by_name($how_many_stmt, ":title", $desired_title); oci_execute($how_many_stmt, OCI_DEFAULT); how_many for: <?= $desired_title returned <?= $num_copies copies oci_free_statement($param_play_stmt); oci_free_statement($how_many_stmt); oci_close($conn);

PARTIAL Final Exam Reference Packet

PARTIAL Final Exam Reference Packet (Note that some items here may be more pertinent than others; you'll need to be discerning.) Example 1 - St10CommonImportTop.jsp (with comments removed)