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SQL Joins
What is the difference between Inner Join and Outer Join? 1. You use INNER JOIN to return all rows from both tables where there is a match. ie. in the resulting table all the rows and colums will have values. In OUTER JOIN the relulting table may have empty colums. Outer join may be either LEFT or R... 2008-09-25, 6193👍, 0💬

What Is the Relation between RSS and XML
What Is the Relation between RSS and XML? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics XML (Extensible Markup Language) is a generic markup language to organize generic information into a structured document with embedded tags. RSS (Really Simple Syndication) is an extension o... 2007-05-12, 6191👍, 0💬

What Needs To Be Considered When Designing Page Layout
What Needs To Be Considered When Designing Page Layout? - CSS Tutorials - Page Layout and Background Image Design There are a number of technical issues you need to consider when designing Web pages: Screen resolution - How many graphical points per inch on a computer screen? Browser resolution - Ho... 2007-05-11, 6190👍, 0💬

What Is Foreign Key
What Is Foreign Key? - MySQL FAQs - Database Basics and Terminologies A foreign key is a single column or multiple columns defined to have values that can be mapped to a primary key in another table. 2007-05-10, 6189👍, 0💬

Latest Versions of Qualitycenter, QTP, LoadRunner
what are that latest versions of Qualitycenter, QTP, Winrunner and LoadRunner 2008-07-14, 6187👍, 0💬

Can you explain the process areas part 1
Can you explain the process areas? part 1 Each process area is defined by a set of goals and practices. There are two categories of goals and practices: generic and specific. Generic goals and practices are a part of every process area. Specific goals and practices are specific to a given process ar... 2007-10-30, 6187👍, 0💬

How To Get the ID Column Auto-Incremented
How To Get the ID Column Auto-Incremented? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts Many tables require an ID column to assign a unique ID number for each row in the table. For example, if you have a table to hold forum member profiles, you need an ID number to identify ea... 2007-05-11, 6186👍, 0💬

What is Perl one-liner
What is Perl one-liner? There are two ways a Perl script can be run: From a command line, called one-liner - That means you type and execute immediately on the command line. You'll need the -e option to start like "C:\ %gt perl -e "print \"Hello\";". One-liner doesn't mean one Perl statement. One-li... 2007-11-19, 6183👍, 0💬

What Is a Session
What Is a Session? A session is a logical object created by the PHP engine to allow you to preserve data across subsequent HTTP requests. There is only one session object available to your PHP scripts at any time. Data saved to the session by a script can be retrieved by the same script or another s... 2007-02-27, 6182👍, 0💬

How To Write the Opening Tag of an XHTML Element
How To Write the Opening Tag of an XHTML Element? - XHTML Tutorials - Introduction To Tag and Attribute Syntax When you are writing an XHTML element, you must start with its opening tag, which contains the name of the element and attributes if needed. The opening tag is enclosed in a pair of angle b... 2007-05-12, 6181👍, 0💬

What is PHP
What is PHP? The PHP Hypertext Preprocessor is a programming language that allows web developers to create dynamic content that interacts with databases. PHP is basically used for developing web based software applications. 2007-02-27, 6181👍, 0💬

What is a fixed-width table and its advantages?
What is a fixed-width table and its advantages? Fixed width tables are rendered by the browser based on the widths of the columns in the first row, resulting in a faster display in case of large tables. Use the CSS style table-layout:fixed to specify a fixed width table. If the table is not specifie... 2008-05-13, 6177👍, 0💬

How you will make available any Message Resources Definitions file to the Struts Framework Environment
How you will make available any Message Resources Definitions file to the Struts Framework Environment? Message Resources Definitions file are simple .properties files and these files contains the messages that can be used in the struts project. Message Resources Definitions files can be added to th... 2007-12-14, 6177👍, 0💬

Give the Details of XML files used in Validator Framework
Give the Details of XML files used in Validator Framework? The Validator Framework uses two XML configuration files validator-rules.xml and validation.xml. The validator-rules.xml defines the standard validation routines, these are reusable and used in validation.xml to define the form specific vali... 2007-12-28, 6176👍, 0💬

What Is an Anonymous Block
What Is an Anonymous Block? - Oracle DBA FAQ - Understanding PL/SQL Language Basics An anonymous block is a PL/SQL code block with no name. It consists of three parts: Declaration Part - Defining local variables and local procedures. Declaration part is optional. Execution Part - Defining execution ... 2007-04-30, 6176👍, 0💬

What Is JUnit TestSuite?
What Is JUnit TestSuite? JUnit TestSuite is a container class, junit.framework.TestSuite, used in JUnit 3.8 that allows you to group multiple test cases into a collection and run them together. TestSuite class is no longer supported in JUnit 4.4. Each test runs in its own fixture so there can be no ... 2008-03-04, 6175👍, 0💬

Can we have different access modifiers on get/set methods of a property
Can we have different access modifiers on get/set methods of a property ? No we can not have different modifiers same property. The access modifier on a property applies to both its get and set accessors. 2007-10-23, 6174👍, 0💬

How To Calculate Date and Time Differences
How To Calculate Date and Time Differences? - Oracle DBA FAQ - Understanding SQL Basics If you want to know how many years, months, days and seconds are there between two dates or times, you can use the date and time interval expressions: YEAR ... TO MONTH and DAY ... TO SECOND. The tutorial exercis... 2007-04-23, 6171👍, 0💬

What Is Rollback
What Is Rollback? - MySQL FAQs - Database Basics and Terminologies Rollback is a way to terminate a transaction with all database changes not saving to the database server. 2007-05-10, 6170👍, 0💬

How Many Versions of RSS Language Standards
How Many Versions of RSS Language Standards? - RSS FAQs - Introduction to RSS (Really Simple Syndication) Basics RSS is relatively new. Many versions have been developed in recent years: RSS 0.90 - The earliest known version of RSS released to the public by Netscape in 1999. RSS 0.90 is based on RDF... 2007-05-12, 6166👍, 0💬

How Many Test Runners Are Supported in JUnit 3.8?
How Many Test Runners Are Supported in JUnit 3.8? JUnit 3.8 supports 3 test runners: junit.textui.TestRunner - A command line based tool to run tests. TestRunner expects the name of a TestCase class as argument. If this class defines a static suite method it will be invoked and the returned test is ... 2008-03-04, 6165👍, 0💬

Can you write a simple Action Class
Can you write a simple Action Class? Sure. Here is the code of Action Class that returns the ActionForward object: import javax.servlet.http.HttpServlet Request;import javax.servlet.http.HttpServlet Response;br>import org.apache.struts.action.Actio n;import org.apache.struts.action.Actio nForm;impor... 2007-12-19, 6160👍, 0💬

Relation between HTML and SGML
What Is the Relation between HTML and SGML? SGML (Standard Generalized Markup Language) is a metalanguage in which one can define markup languages, like HTML, for documents. SGML is a descendant of IBM's Generalized Markup Language (GML), developed in the 1960s by Charles Goldfarb, Edward Mosher and... 2007-03-03, 6160👍, 0💬

URL with or whithout Domain Names
How can I avoid using the whole URL? The URL structure defines a hierarchy (or relationship) that is similar to the hierarchy of subdirectories (or folders) in the filesystems used by most computer operating systems. The segments of a URL are separated by slash characters ("/"). When navigating the ... 2007-03-03, 6153👍, 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