week four cit 354 internet ii. 2 objectives uploading files to your web site establishing a...

Week FourWeek Four

CIT 354 Internet IICIT 354 Internet II

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ObjectivesObjectives

Uploading Files to Your Web SiteUploading Files to Your Web Site

Establishing a ConnectionEstablishing a Connection

Creating a Database TableCreating a Database Table

Common Programming ErrorsCommon Programming Errors

SummarySummary

Mid-term, Homework, and ProjectMid-term, Homework, and Project

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Check Your php.ini File Check Your php.ini File

Understanding the ProcessUnderstanding the Process

Creating the FormCreating the Form

Creating the Upload ScriptCreating the Upload Script

Uploading a File Using Your Form and ScriptUploading a File Using Your Form and Script

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Check Your php.ini FileCheck Your php.ini File

Uncomment the upload_tmp_dirUncomment the upload_tmp_dir

A directory name = /My Documents/tempA directory name = /My Documents/temp

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Understanding the ProcessUnderstanding the Process

Creating the FormCreating the Form– upload_form.html (P 170)upload_form.html (P 170)

Creating the Upload ScriptCreating the Upload Script– do_upload.php (P 173)do_upload.php (P 173)– modify the path namemodify the path name

//Program Files/ApacheProgram Files/Apache Group/Apache/htdocs/Group/Apache/htdocs/

Submitting your Form and Getting Submitting your Form and Getting ResultsResults

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Connect to MySqlConnect to MySql

List all databases on localhostList all databases on localhost

List all tables in a databaseList all tables in a database

Create a databaseCreate a database

Drop (delete) a databaseDrop (delete) a database

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Working with User Privileges in MySqlWorking with User Privileges in MySql

Creating a New UserCreating a New User– GRANT [privilege list] ON databasename.tablename GRANT [privilege list] ON databasename.tablename

TO TO username@hostusername@host IDENTIFIED BY “password” IDENTIFIED BY “password”– cd c:\mysql\bin and issue mysql cd c:\mysql\bin and issue mysql – use mysql;use mysql;

Connecting to MySqlConnecting to MySql– Command: mysqlconnectCommand: mysqlconnect– Example: db_connect.php (P181)Example: db_connect.php (P181)

Breaking Your Connection ScriptBreaking Your Connection Script– Example: db_connect.php (P183)Example: db_connect.php (P183)

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List all databases on localhostList all databases on localhost

Listing Databases on a ServerListing Databases on a Server

Commands:Commands:– mysql_list_dbs()mysql_list_dbs()– mysql_num_rows()mysql_num_rows()– mysql_tablename()mysql_tablename()

Example: db_listdb.php (P 186)Example: db_listdb.php (P 186)

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List all tables in a databaseList all tables in a database

Command: mysql_list_tables()Command: mysql_list_tables()

Example: db_listtablesdb.php (P 188)Example: db_listtablesdb.php (P 188)

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Create a New databaseCreate a New database

Command: $new_dbCommand: $new_db

Example: db_createdb.php (P 193)Example: db_createdb.php (P 193)

TestsTests– Re-start Apache and then run db_listdb.phpRe-start Apache and then run db_listdb.php– Restart mysqlRestart mysql

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Drop (delete) a databaseDrop (delete) a database

Command: $drop_dbCommand: $drop_db

Example: db_dropdb.php (P 196)Example: db_dropdb.php (P 196)

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Creating a Database tableCreating a Database table

Plan for a database tablePlan for a database table

Recognize the pitfalls of certain data Recognize the pitfalls of certain data typestypes

Recognize the importance of unique Recognize the importance of unique fieldsfields

Follow a three-step process for table Follow a three-step process for table creationcreation

Create a table to hold your personal Create a table to hold your personal music catalogmusic catalog

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Planning for Your TablesPlanning for Your TablesBasic MySQL Data TypesBasic MySQL Data Types– Table 12.1 Some MySQL Data TypesTable 12.1 Some MySQL Data Types– Examples: TINYINT (1 byte), SMALLINT (2 bytes), Examples: TINYINT (1 byte), SMALLINT (2 bytes),

MEDIUMINT(3 bytes), INT (4 BYTES), BIGINT(8 MEDIUMINT(3 bytes), INT (4 BYTES), BIGINT(8 bytes), FLOAT(M,D), DATE(YYYY-MM-DD)bytes), FLOAT(M,D), DATE(YYYY-MM-DD)

Defining Your FieldsDefining Your Fields– Define fields correctlyDefine fields correctly– Define fields with the right SQL syntaxDefine fields with the right SQL syntax– Steps:Steps:

1. The name of the table and number of fields1. The name of the table and number of fields

2. Display additional form fields2. Display additional form fields

3. Verification3. Verification

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Planning for Your TablesPlanning for Your Tables

Table 12.2 Fields for my_musicTable 12.2 Fields for my_musicThe importance of Unique FieldsThe importance of Unique Fields– An ID Field can be used as the unique field An ID Field can be used as the unique field

A Three-Step Form SequenceA Three-Step Form SequenceStep 1: Number of FieldsStep 1: Number of FieldsExample: show_createtable.html (P 203)Example: show_createtable.html (P 203)Step 2: Defining Your FieldsStep 2: Defining Your FieldsExample: do_showfielddef.php (P 205)Example: do_showfielddef.php (P 205)Step 3: Creating the TableStep 3: Creating the TableExample: do_createtable.php (P 212)Example: do_createtable.php (P 212)

Use your own ID and PW to connect MySQl.Use your own ID and PW to connect MySQl.

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Common Programming ErrorsCommon Programming ErrorsOmitting or incorrectly typing the opening tag <? that Omitting or incorrectly typing the opening tag <? that signifies the start of a PHP statement.signifies the start of a PHP statement.Omitting or incorrectly typing the closing tag ?> that Omitting or incorrectly typing the closing tag ?> that signifies the end of a PHP statement.signifies the end of a PHP statement.Misspelling the name of a variable or function.Misspelling the name of a variable or function.Forgetting to close a string with a double quote symbol.Forgetting to close a string with a double quote symbol.Dividing integer values incorrectly.Dividing integer values incorrectly.Forgot to use the escape (\) character.Forgot to use the escape (\) character.Using a variable in an expression before a value has Using a variable in an expression before a value has been assigned to the variable.been assigned to the variable.Incorrectly typing the letter O for the number zero (0), or Incorrectly typing the letter O for the number zero (0), or vice versa. Incorrectly typing the letter l, for the number vice versa. Incorrectly typing the letter l, for the number 1, or vice versa.1, or vice versa.

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Chapter SummaryChapter Summary



Creating a Database TableCreating a Database Table

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Mid-term, Homework, and ProjectMid-term, Homework, and Project

Mid-termMid-term– Date: Next WeekDate: Next Week

Homework 3Homework 3– Due Date: Next WeekDue Date: Next Week

Project 1Project 1– Due Date: Next WeekDue Date: Next Week– Team Approach( 1 – 3 members)Team Approach( 1 – 3 members)