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What Is SQL
What Is SQL? Structured Query Language (SQL) is the most popular computer language used to create, retrieve, update and delete data from relational database management systems. SQL has been standardized by both ANSI and ISO. 2007-04-15, 5417👍, 0💬

How To Add Images to Backgrounds
How To Add Images to Backgrounds? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements One image can be specified to the background at a particular position. It can also be repeated in horizontal direction, vertical direction, or both directions with the following style prope... 2007-05-11, 5416👍, 0💬

How To Run SQL Statements with Oracle SQL Developer
How To Run SQL Statements with Oracle SQL Developer? - Oracle DBA FAQ - Introduction to Oracle SQL Developer Once a connection is established with an Oracle server, you can enter any SQL statements in the SQL Statement area. Try yourself with the following steps: Go to the SQL Statement area Enter S... 2007-04-27, 5416👍, 0💬

How White Spaces Are Formatted
How White Spaces Are Formatted? - CSS Tutorials - Understanding Multiple Element Formatting Rules White spaces are formatted depending where they are located: White spaces will be ignored between block elements. White spaces will be preserved in &lt;PRE> tags. White spaces will be collapsed into... 2007-05-11, 5415👍, 0💬

How To Write a Query with a Left Outer Join
How To Write a Query with a Left Outer Join? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want to query from two tables with a left outer join, you can use the LEFT OUTER JOIN ... ON clause in the FROM clause. The following query returns output with a left outer join from two ... 2007-04-19, 5415👍, 0💬

What is XML
What is XML? XML (Extensible markup language) is all about describing data. Below is a XML which describes invoice data. &lt;?xml version="1.0" encoding="ISO-8859-1"?> &lt;invoice> &lt;productname>Shoes &lt;qty>12 &lt;totalcost>100 &lt;discount>10 &lt;/invoice> An XML tag... 2007-10-31, 5414👍, 0💬

What is the use of OLAP
What is the use of OLAP ? OLAP is useful because it provides fast and interactive access to aggregated data and the ability to drill down to detail. 2007-10-25, 5414👍, 0💬

How To Use "file" Input Fields
How To Use "file" Input Fields? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields A "file" input field is defined as &lt;input type="file" .../&gt;. "file" input fields can be used to create file upload input fields. Most browsers will display a file upload input field as a text i... 2007-05-12, 5414👍, 0💬

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, 5414👍, 0💬

How To Unlock the Sample User Account
How To Unlock the Sample User Account? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition Your 10g XE server comes with a sample database user account called HR. But this account is locked. You must unlock it before you can use it: Log into the server home page as SYSTEM. Click t... 2007-04-24, 5413👍, 0💬

Can you compare ASP.NET sessions with classic ASP
Can you compare ASP.NET sessions with classic ASP? ASP.NET session caches per user session state. It basically uses gHttpSessionStateh class. Following are the limitations in classic ASP sessions :- ã ASP session state is dependent on IIS process very heavily. So if IIS restarts ASP session vari... 2007-10-23, 5411👍, 0💬

Which config file has all the supported channels/protocol
Which config file has all the supported channels/protocol ? Machine.config file has all the supported channels and formatter supported by .NET remoting.Machine.config file can be found at “C:\WINDOWS\Microsoft.NET\Fram ework\vXXXXX\CONFIG”path. Find element in the Machine.config file which has the c... 2007-10-23, 5411👍, 0💬

What Are the System Predefined User Roles
What Are the System Predefined User Roles? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges Oracle 10g XE comes with 3 predefined roles: CONNECT - Enables a user to connect to the database. Grant this role to any user or application that needs database access. RESOURCE - Enabl... 2007-05-02, 5411👍, 0💬

What are the main components of WCF
What are the main components of WCF? We need to define three main components in WCF: Service class. Hosting environment End pointWe need to define three main components in WCF:- Service class. Hosting environment End point 2007-11-04, 5410👍, 0💬

Hot To Test Margin Spaces on All 4 Sides
Hot To Test Margin Spaces on All 4 Sides? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements If you want test margin spaces on all 4 sides of a &lt;P> tag you can use the following HTML and CSS document. It allows you to specify margin spaces with different values and v... 2007-05-11, 5410👍, 0💬

What Are the Background Style Properties
What Are the Background Style Properties? - CSS Tutorials - Page Layout and Background Image Design There are 5 style properties that you can use to control the background of a HTML block tag: background-color: Specifies the color of the background. It takes a color value or the keyword "transparent... 2007-05-11, 5407👍, 0💬

How To Use "reset" Input/Action Fields
How To Use "reset" Input/Action Fields? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields A "reset" input field is defined as &lt;input type="reset" .../&gt;. "reset" input fields can be used to create reset buttons in a form. When a reset button is clicked, the form will be refre... 2007-05-12, 5406👍, 0💬

What is denormalization
What is denormalization ? Denormalization is the process of putting one fact in numerous places (its vice-versa of normalization).Only one valid reason exists for denormalizing a relational design - to enhance performance.The sacrifice to performance is that you increase redundancy in database. 2007-10-25, 5404👍, 0💬

What Is a Server-Side Image Map
What Is a Server-Side Image Map? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps A server-side image map is an image inside a hyper link. The image must be defined with the "ismap" attribute in the "img" element. When a server-side image map is clicked in a browser window, the mou... 2007-05-12, 5403👍, 0💬

How Nested Block Elements Are Formatted
How Nested Block Elements Are Formatted? - CSS Tutorials - Understanding Multiple Element Formatting Rules If a block element is nested in another block element, the inner block, child block, will be formatted as the content box of the outer block, parent block. The HTML and CSS document below shows... 2007-05-11, 5403👍, 0💬

How Many Ways to Get the Current Time
How Many Ways to Get the Current Time? - MySQL FAQs - Introduction to SQL Date and Time Handling There are 8 ways to get the current time: SELECT NOW() FROM DUAL; 2006-07-01 10:02:41 SELECT CURRENT_TIME() FROM DUAL; 10:02:58 SELECT SYSDATE() FROM DUAL; 2006-07-01 10:03:21 mysql> SELECT CURRENT_TIMES... 2007-05-11, 5403👍, 0💬

Using XML with Non-Latin Characters
Can XML use non-Latin charac'ters? Yes. The XML Specification explicitly says XML uses ISO 10646, the international standard character repertoire which covers most known languages. Unicode is an identical repertoire, and the two standards track each other. The spec says (2.2): All XML processors mus... 2007-04-11, 5402👍, 0💬

What Is FeedReader
What Is FeedReader? - RSS FAQs - Adding Your Feeds to RSS News Readers and Aggregators Feedreader is a free lightweight aggregator that supports RSS and ATOM formats. FeedReader runs on Windows systems. Feedreader's functionality is focused on the main task - reading and organizing RSS feeds and off... 2007-05-12, 5401👍, 0💬

What Is an EM Tag/Element
What Is an EM Tag/Element? - XHTML 1.0 Tutorials - Understanding In-line Elements and Tags An "em" element is an inline element that you can use to specify text with a normal emphasis. Here are basic rules about "em" elements: "em" elements are inline elements. "em" elements can not be used at block... 2007-05-12, 5400👍, 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