1 / 51

Coldfusion and PHP introduction

Coldfusion and PHP introduction. University of California, Berkeley School of Information Management and Systems SIMS 257: Database Management. Lecture Outline. Review Databases for Web Applications – Overview ColdFusion DiveShop in ColdFusion PHP DiveShop in PHP

brittanyd
Download Presentation

Coldfusion and PHP introduction

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Coldfusion and PHP introduction University of California, Berkeley School of Information Management and Systems SIMS 257: Database Management

  2. Lecture Outline • Review • Databases for Web Applications – Overview • ColdFusion • DiveShop in ColdFusion • PHP • DiveShop in PHP • More on ORACLE and SQL-Plus

  3. Lecture Outline • Review • Databases for Web Applications – Overview • ColdFusion • DiveShop in ColdFusion • PHP • DiveShop in PHP • More on ORACLE and SQL-Plus

  4. Dynamic Web Applications 2 Files Web Server CGI database DBMS Internet database database Server Clients

  5. Server Interfaces Web Server Database SQL HTML Native DB Interfaces DHTML Web Application Server JavaScript Web DB App CGI Web Server API’s ODBC Native DB interfaces JDBC ColdFusion PhP Perl Java ASP Adapted from John P Ashenfelter, Choosing a Database for Your Web Site

  6. Web Application Server Software • ColdFusion • PHP • ASP • All of the are server-side scripting languages that embed code in HTML pages

  7. Lecture Outline • Review • Databases for Web Applications – Overview • ColdFusion • DiveShop in ColdFusion • PHP • DiveShop in PHP • Introduction to ORACLE and SQL-Plus

  8. Web Application Server Software • ColdFusion • PHP • ASP • All of the are server-side scripting languages that embed code in HTML pages

  9. ColdFusion • Developing WWW sites typically involved a lot of programming to build dynamic sites • e.g. Pages generated as a result of catalog searches, etc. • ColdFusion was designed to permit the construction of dynamic web sites with only minor extensions to HTML through a DBMS interface

  10. ColdFusion • Started as CGI • Drawback, as noted above, is that the entire system is run for each cgi invocation • Split into cooperating components • NT service -- runs constantly • Server modules for 4 main Web Server API (glue that binds web server to ColdFusion service) {Apache, ISAPI, NSAPI, WSAPI} • Special CGI scripts for other servers

  11. What ColdFusion is Good for • Putting up databases onto the Web • Handling dynamic databases (Frequent updates, etc) • Making databases searchable and updateable by users.

  12. Requirements • Unix or NT systems • Install as SuperUser • Databases must be defined via “data source names (DSNs) by administrator

  13. Requirements and Set Up • Field names should be devoid of spaces. Use the underscore character, like new_items instead of "new items." • Use key fields. Greatly reduces search time. • Check permissions on the individual tables in your database and make sure that they have read-access for the username your Web server uses to log in. • If your fields include large blocks of text, you'll want to include basic HTML coding within the text itself, including boldface, italics, and paragraph markers.

  14. Templates • Assume we have a database named contents_of_my_shopping_cart.mdb -- single table called contents... • Create an HTML page (uses extension .cfm), before <HEAD>... • <CFQUERY NAME= ”cart" DATASOURCE=“contents_of_my_shopping_cart"> SELECT * FROM contents ; </CFQUERY>

  15. Templates cont. • <HEAD> • <TITLE>Contents of My Shopping Cart</TITLE> • </HEAD> • <BODY> • <H1>Contents of My Shopping Cart</H1> • <CFOUTPUT QUERY= ”cart"> • <B>#Item#</B> <BR> • #Date_of_item# <BR> • $#Price# <P> • </CFOUTPUT> • </BODY> • </HTML>

  16. Templates cont. Contents of My Shopping Cart Bouncy Ball with Psychedelic Markings 12 December 1998 $0.25 Shiny Blue Widget 14 December 1998 $2.53 Large Orange Widget 14 December 1998 $3.75

  17. CFIF and CFELSE <CFOUTPUT QUERY= ”cart"> Item: #Item# <BR> <CFIF #Picture# EQ""> <IMG SRC=“generic_picture.jpg"> <BR> <CFELSE> <IMG SRC="#Picture#"> <BR> </CFIF> </CFOUTPUT>

  18. More Templates <CFQUERY DATASOURCE = “AZ2”> INSERT INTO Employees(firstname, lastname, phoneext) VALUES(‘#firstname#’, ‘#lastname#’, ‘#phoneext#’) </CFQUERY> <HTML><HEAD><TITLE>Employee Added</TITLE> <BODY><H1>Employee Added</H1> <CFOUTPUT> Employee <B>#firstname# #lastname#</B> added. </CFOUTPUT></BODY> </HTML>

  19. CFML ColdFusion Markup Language • Read data from and update data to databases and tables • Create dynamic data-driven pages • Perform conditional processing • Populate forms with live data • Process form submissions • Generate and retrieve email messages • Perform HTTP and FTP function • Perform credit card verification and authorization • Read and write client-side cookies

  20. ColdFusion Diveshop • Examples from Fusion

  21. Lecture Outline • Review • Databases for Web Applications – Overview • ColdFusion • DiveShop in ColdFusion • PHP • DiveShop in PHP • More on ORACLE and SQL-Plus

  22. PHP • PHP is an Open Source Software project with many programmers working on the code. • Commonly paired with MySQL, another OSS project • Free • Both Windows and Unix support • Estimated that more than 250,000 web sites use PHP as an Apache Module.

  23. PHP Syntax • Similar to ASP • Includes most programming structures (Loops, functions, Arrays, etc.) • Loads HTML form variables so that they are addressable by name • <HTML><BODY> • <?php • $myvar = “Hello World”; • echo $myvar ; • ?> • </BODY></HTML>

  24. Combined with MySQL • DBMS interface appears as a set of functions: <HTML><BODY> <?php $db = mysql_connect(“localhost”, “root”); mysql_select_db(“mydb”,$db); $result = mysql_query(“SELECT * FROM employees”, $db); Printf(“First Name: %s <br>\n”, mysql_result($result, 0 “first”); Printf(“Last Name: %s <br>\n”, mysql_result($result, 0 “last”); ?></BODY></HTML>

  25. Diveshop PHP • Examples on Dream…

  26. ASP – Active Server Pages • Another server-side scripting language • From Microsoft using Visual Basic as the Language model (VBScript), though Javascript (actually MS Jscript) is also supported • Works with Microsoft IIS and gives access to ODBC databases

  27. ASP Syntax <% SQL="SELECT last, first FROM employees ORDER BY last" set conn = server.createobject("ADODB.Connection") conn.open “employee" set people=conn.execute(SQL) %> <% do while not people.eof set resultline=people(0) & “, “ & people(1) & “<BR>” Response.Write(resultline) people.movenext loop%> <% people.close %>

  28. Lecture Outline • Review • Databases for Web Applications – Overview • ColdFusion • DiveShop in ColdFusion • PHP • DiveShop in PHP • More on ORACLE and SQL-Plus

  29. More on SQL and SQLPlus for data manipulation and modification Today

  30. SELECT • Syntax: • SELECT [DISTINCT] attr1, attr2,…, attr3 as label, function(xxx), calculation, attr5, attr6 FROM relname1 r1, relname2 r2,… rel3 r3 WHERE condition1 {AND | OR} condition2 ORDER BY attr1 [DESC], attr3 [DESC]

  31. CREATE SYNONYM • CREATE SYNONYM newname FOR oldname; • CREATE SYNONYM BIOLIFE for ray.BIOLIFE;

  32. SELECT Conditions • = equal to a particular value • >= greater than or equal to a particular value • > greater than a particular value • <= less than or equal to a particular value • <> not equal to a particular value • LIKE‘%wom_n%’ (Note different wild card) • IN (‘opt1’, ‘opt2’,…,’optn’)

  33. Aggregate Functions • COUNT(dataitem) • AVG(numbercolumn) • SUM(numbercolumn) • MAX(numbercolumn) • MIN(numbercolumn) • STDDEV(numbercolumn) • VARIANCE(numbercolumn)

  34. ABS(n) ACOS(n) ASIN(n) ATAN(n) ATAN2(n, m) CEIL(n) COS(n) COSH(n) ROUND(n) SIGN(n) SIN(n) SINH(n) SQRT(n) TAN(n) TANH(n) TRUNC(n[,m]) Numeric Functions • EXP(n) • EXP(n) • FLOOR(n) • LN(n) • LOG(m,n) • MOD(n) • POWER(m,n)

  35. CHR(n) CONCAT(char1,char2) INITCAP(char) LOWER(char) LPAD(char, n,char2), RPAD(char, n,char2) LTRIM(char, n, cset), RTRIM(char, n, cset) REPLACE(char, srch, repl) SOUNDEX(char) SUBSTR(char, m, n) SUBSTRB(char, m, n) TRANSLATE(char, from, to) UPPER(char) Character Functions returning character values

  36. ASCII(char) INSTR(char1, char2[,m, n]) INSTRB(char1, char2[,m, n]) LENGTH(char) LENGTHB(char) Character Function returning numeric values

  37. ADD_MONTHS(dt, n) LAST_DAY(d) MONTHS_BETWEEN(d1, d2) NEW_TIME(d, z1, z2) -- PST, AST, etc. NEXT_DAY(d, dayname) ROUND(d, fmt) -- century, year etc. SYSDATE TRUNC(d, fmt) -- century, year, etc. Date functions

  38. CHARTOROWID(char) CONVERT(char, dchar, schar) HEXTORAW(char) RAWTOHEX(raw) ROWIDTOCHAR(rowid) TO_CHAR (date, fmt) TO_DATE(char, fmt) TO_NUMBER(char,fmt) TO_MULTIBYTE(char) TO_SINGLE_BYTE(char) Conversion Functions

  39. Create Table • CREATE TABLE table-name (attr1 attr-type CONSTRAINT constr1 PRIMARY KEY, attr2 attr-type CONSTRAINT constr2 NOT NULL,…, attrM attr-type CONSTRAINT constr3 REFERENCES owner.tablename(attrname) ON DELETE CASCADE, attrN attr-type CONSTRAINT constrN CHECK (attrN = UPPER(attrN)), attrO attr-type DEFAULT default_value); • Adds a new table with the specified attributes (and types) to the database. • NOTE that the “CONSTRAINT and name parts are optional)

  40. Create Table • CREATE TABLE table-name ( attr1 attr-type PRIMARY KEY, attr2 attr-type NOT NULL, …, attrM attr-type REFERENCES owner.tablename(attrname) ON DELETE CASCADE, attrN attr-type CHECK (attrN = UPPER(attrN) attrO attr-type DEFAULT default_value); • Without “CONSTRAINT” and name parts

  41. Types • VARCHAR2(size) • NUMBER(p, s) • LONG -- long char data • DATE -- from 4712BC to 4714 AD • RAW(size) -- binary • LONG RAW -- large binary • ROWID -- row reference • CHAR(size) -- fixed length characters

  42. Alter Table • ALTER TABLE table-name ADD attr1 attr-type; • ALTER TABLE table-name ADD attr1 CONSTRAINT xxx constrainvalue; • ALTER TABLE table-name MODIFY attr1 optiontochange; • ALTER TABLE table-name DROP COLUMN attr1; • Adds, drops or modifies a column in an existing database table. • Note: constrainvalue is any column constraint like ‘PRIMARY KEY’, REFERENCES, etc.

  43. INSERT • INSERT INTO table-name (attr1, attr4, attr5,…, attrK) VALUES (“val1”, val4, val5,…, “valK”); • OR • INSERT INTO table-name SELECT col1, col2, col3as newcol2, col4 FROM xx, yy WHERE where-clause; • Adds a new row(s) to a table.

  44. DELETE • DELETE FROM table-name WHERE<where clause>; • Removes rows from a table.

  45. UPDATE • UPDATE tablename SET attr1=newval, attr2 = newval2 WHERE<where clause>; • changes values in existing rows in a table (those that match the WHERE clause).

  46. DROP Table • DROP TABLE tablename; • Removes a table from the database.

  47. CREATE INDEX • CREATE [ UNIQUE ] INDEX indexname ON tablename (attr1 [ASC|DESC][, attr2 [ASC|DESC], ...]) • Adds an index on the specified attributes to a table

  48. System Information In ORACLE • Find all of the tables for a user • SELECT * FROM ALL_CATALOG WHERE OWNER = ‘userid’; • SELECT * FROM USER_CATALOG; (or CAT) • Show the attributes and types of data for a particular table in SQLPlus • DESCRIBE tablename;

  49. Running commands • Create file with SQL and SQLPlus commands in it. • Use a plain text editor and NOT a word processor (or save as text only) • Give the file the extension .sql • From inside SQLPlus type • START filename

  50. Simple formatting in SQLPlus • SET PAGESIZE 500 • SET LINESIZE 79 • PROMPT stuff to put out to screen • TTITLE “title to put at top of results pages” • COLUMN col_name HEADING “New Name”

More Related