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How To Generate and Process a Form with the Same Script
How To Generate and Process a Form with the Same Script? - PHP Script Tips - Processing Web Forms In previous exercises, a Web form is generated by one script, and processed by another script. But you could write a single script to do both. You just need to remember to: Use same script name as the f... 2007-04-22, 5474👍, 0💬

How To Support Hidden Form Fields
How To Support Hidden Form Fields? - PHP Script Tips - Processing Web Forms Hidden fields are special fields in a form that are not shown on the Web page. But when the form is submitted, values specified in the hidden fields are also submitted to the Web server. A hidden field can be specified with ... 2007-04-22, 5145👍, 0💬

How To Add a New Column to an Existing Table
How To Add a New Column to an Existing Table? - Oracle DBA FAQ - Understanding SQL DDL Statements If you have an existing table with existing data rows, and want to add a new column to that table, you can use the ALTER TABLE ... ADD statement to do this. Here is an example script: SQL> connect HR/fy... 2007-04-22, 5275👍, 0💬

How To Delete a Column in an Existing Table
How To Delete a Column in an Existing Table? - Oracle DBA FAQ - Understanding SQL DDL Statements If you have an existing column in a table and you need that column any more, you can delete it with ALTER TABLE ... DROP COLUMN statement. Here is an example SQL script: SQL> CREATE TABLE emp_dept_90 2 A... 2007-04-22, 5174👍, 0💬

How To Open a File for Writing
How To Open a File for Writing? - PHP Script Tips - Reading and Writing Files If you want to open a new file and write date to the file, you can use the fopen($fileName, "w") function. It creates the specified file, and returns a file handle. The second argument "w" tells PHP to open the file for wr... 2007-04-22, 4951👍, 0💬

How To Open a File for Reading
How To Open a File for Reading? - PHP Script Tips - Reading and Writing Files If you want to open a file and read its contents piece by piece, you can use the fopen($fileName, "r") function. It opens the specified file, and returns a file handle. The second argument "r" tells PHP to open the file fo... 2007-04-22, 5174👍, 0💬

What Is Open Database Communication (ODBC)
What Is Open Database Communication (ODBC)? - Oracle DBA FAQ - Oracle Basic Concepts ODBC, Open Database Communication, a standard API (application program interface) developed by Microsoft for Windows applications to communicate with database management systems. Oracle offers ODBC drivers to allow ... 2007-04-22, 5148👍, 0💬

How To Create an Oracle Database
How To Create an Oracle Database? - Oracle DBA FAQ - Creating New Database Instance Manually There are two ways to create a new database: Use the Database Configuration Assistant (DBCA) to create a database interactively. Use the CREATE DATABASE statement to create a database manually. 2007-04-22, 5220👍, 0💬

How To Drop an Existing Table
How To Drop an Existing Table? - Oracle DBA FAQ - Understanding SQL DDL Statements If you want to delete an existing table and its data rows, you can use the DROP TABLE statement as shown in this script: SQL> connect HR/fyicenter Connected. SQL> CREATE TABLE emp_dept_10 2 AS SELECT * FROM employees ... 2007-04-22, 4935👍, 0💬

How To Retrieve the Original Query String
How To Retrieve the Original Query String? - PHP Script Tips - Processing Web Forms If you have coded some values in the URL without using the standard form GET format, you need to retrieve those values in the original query string in $_SERVER['QUERY_STRING']. The script below is an enhanced version... 2007-04-22, 5014👍, 0💬

How To Submit Values without a Form
How To Submit Values without a Form? - PHP Script Tips - Processing Web Forms If you know the values you want to submit, you can code the values in a hyper link at the end of the URL. The additional values provided at the end of a URL is called query string. There are two suggestions on how to use q... 2007-04-22, 5524👍, 0💬

How To Read the Entire File into a Single String
How To Read the Entire File into a Single String? - PHP Script Tips - Reading and Writing Files If you have a file, and you want to read the entire file into a single string, you can use the file_get_contents() function. It opens the specified file, reads all characters in the file, and returns them... 2007-04-22, 5169👍, 0💬

How To Read a Text File into an Array
How To Read a Text File into an Array? - PHP Script Tips - Reading and Writing Files If you have a text file with multiple lines, and you want to read those lines into an array, you can use the file() function. It opens the specified file, reads all the lines, puts each line as a value in an array, ... 2007-04-22, 5391👍, 0💬

What Is Transport Network Substrate (TNS)
What Is Transport Network Substrate (TNS)? - Oracle DBA FAQ - Oracle Basic Concepts TNS, Transport Network Substrate, is a foundation technology, built into the Oracle Net foundation layer that works with any standard network transport protocol. 2007-04-22, 5748👍, 0💬

How To Create a Table Index
How To Create a Table Index? - Oracle DBA FAQ - Understanding SQL DDL Statements If you have a table with a lots of rows, and you know that one of the columns will be used often a search criteria, you can add an index for that column to in improve the search performance. To add an index, you can use... 2007-04-22, 5051👍, 0💬

What Is SQL*Plus
What Is SQL*Plus? - Oracle DBA FAQ - Oracle Basic Concepts SQL*Plus is an interactive and batch query tool that is installed with every Oracle Database Server or Client installation. It has a command-line user interface, a Windows Graphical User Interface (GUI) and the iSQL*Plus web-based user inter... 2007-04-22, 5806👍, 0💬

How To Rename an Index
How To Rename an Index? - Oracle DBA FAQ - Understanding SQL DDL Statements Let's say you have an existing index, and you don't like its name anymore for some reason, you can rename it with the ALTER INDEX ... RENAME TO statement. Here is an example script on how to rename an index: CREATE TABLE stu... 2007-04-22, 4783👍, 0💬

How To Protect Special Characters in Query String
How To Protect Special Characters in Query String? - PHP Script Tips - Processing Web Forms If you want to include special characters like spaces in the query string, you need to protect them by applying the urlencode() translation function. The script below shows how to use urlencode(): &lt;?ph... 2007-04-22, 5976👍, 0💬

How To Create a New View
How To Create a New View? - Oracle DBA FAQ - Understanding SQL DDL Statements You can create a new view based on one or more existing tables by using the CREATE VIEW statement as shown in the following script: CREATE VIEW employee_department AS SELECT e.employee_id, e.first_name, e.last_name, e.emai... 2007-04-22, 5025👍, 0💬

How To Run a PHP Script
How To Run a PHP Script? - PHP Script Tips - Downloading and Installing PHP A standard alone PHP script can be executed directly with the PHP Command Line Interface (CLI). Write the following script in a file called hello.php: &lt;?php echo "Hello world!"; ?&gt; This script can be executed b... 2007-04-22, 5285👍, 0💬

Where Are PHP Configuration Settings Stored
Where Are PHP Configuration Settings Stored? - PHP Script Tips - Downloading and Installing PHP PHP stores configuration settings in a file called php.ini in PHP home directory. You can open it with any text editor to your settings. 2007-04-22, 5267👍, 0💬

What Is a Recycle Bin
What Is a Recycle Bin? - Oracle DBA FAQ - Oracle Basic Concepts Recycle bin is a logical storage to hold the tables that have been dropped from the database, in case it was dropped in error. Tables in recycle bin can be recovered back into database by the Flashback Drop action. Oracle database recyc... 2007-04-22, 4921👍, 0💬

How To Support Multiple-Page Forms
How To Support Multiple-Page Forms? - PHP Script Tips - Processing Web Forms If you have a long form with a lots of fields, you may want to divide the fields into multiple groups and present multiple pages with one group of fields on one page. This makes the a long form more user-friendly. However, ... 2007-04-22, 5198👍, 0💬

How To Drop an Index
How To Drop an Index? - Oracle DBA FAQ - Understanding SQL DDL Statements If you don't need an existing index any more, you should delete it with the DROP INDEX statement. Here is an example SQL script: CREATE TABLE student (id NUMBER(5) PRIMARY KEY, first_name VARCHAR(80) NOT NULL, last_name VARCHA... 2007-04-22, 5066👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML