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How To Convert Character Strings to Numeric Values
How To Convert Character Strings to Numeric Values? - MySQL FAQs - Introduction to SQL Basics You can convert character strings to numeric values by using the CAST(string AS DECIMAL) or CAST(string AS SIGNED INTEGER) function as shown in the following examples: SELECT CAST('4123.45700' AS DECIMAL) F... 2007-05-11, 5234👍, 0💬

Do I have to know HTML or SGML before I learn XML
Do I have to know HTML or SGML before I learn XML? No. Although it's useful because a lot of XML terminology and practice derives from two decades' experience of SGML. Be aware that "knowing HTML" is not the same as "understanding SGML". Although HTML was written as an SGML application, browsers ign... 2007-04-11, 5234👍, 0💬

What To Do If the StartBD.bat Failed to Start the XE Instance
What To Do If the StartBD.bat Failed to Start the XE Instance? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition If StartBD.bat failed to start the XE instance, you need to try to start the instance with other approaches to get detail error messages on why the instance can not b... 2007-04-24, 5233👍, 0💬

What is ReaderWriter Locks ?
.NET INTERVIEW QUESTIONS - What is ReaderWriter Locks ? You may want to lock a resource only when data is being written and permit multiple clients to simultaneously read data when data is not being updated. The ReaderWriterLock class enforces exclusive access to a resource while a thread is modifyi... 2009-12-29, 5232👍, 0💬

What is the namespace in which .NET has the data functionality classes
What is the namespace in which .NET has the data functionality classes ? Following are the namespaces provided by .NET for data management System.data This contains the basic objects used for accessing and storing relational data, such as DataSet,DataTable, and DataRelation. Each of these is indepen... 2007-10-24, 5232👍, 0💬

How do I send email message from ASP.NET
How do I send email message from ASP.NET ? ASP.NET provides two namespaces System.WEB.mailmessage classand System.Web.Mail.Smtpmail class. Just a small homework create a Asp.NET project. 2007-10-24, 5232👍, 0💬

What Is SQL
What Is SQL? - Oracle DBA FAQ - Understanding SQL Basics SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation. 2007-04-24, 5232👍, 0💬

What Are the Length Units Used in CSS
What Are the Length Units Used in CSS? - CSS Tutorials - Page Layout and Background Image Design To control your page width and page layout, you must understand the length units used in CSS. Here is a list of main length units: cm - One centimeter, absolute unit. em - The height of the current text ... 2007-05-11, 5231👍, 0💬

Is Oracel SQL Developer written in Java
Is Oracel SQL Developer written in Java? - Oracle DBA FAQ - Introduction to Oracle SQL Developer Oracel SQL Developer is written in Java. It requires JDK 1.5, which is already included in your download file. 2007-04-26, 5231👍, 0💬

How To Write a String to a File without a File Handle
How To Write a String to a File without a File Handle? - PHP Script Tips - Reading and Writing Files If you have a string, want to write it to a file, and you don't want to open the file with a file handle, you can use the file_put_contents(). It opens the specified file, writes the specified string... 2007-04-23, 5231👍, 0💬

Windows authentication and IIS
Windows authentication and IIS If you select windows authentication for your ASP.NET application, you also have to configure authentication within IIS. This is because IIS provides Windows authentication. IIS gives you a choice for four different authentication methods: Anonymous,basic,digest and wi... 2007-10-24, 5230👍, 0💬

How To Specify Margin Spaces of a Block Element
How To Specify Margin Spaces of a Block Element? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements CSS offers 4 style properties to control margin spaces of a block element. You can specify them in different ways as shown in the following CSS examples: {margin-top: 30px} -... 2007-05-11, 5230👍, 0💬

What Is Commit
What Is Commit? Commit is an event that attempts to make data in the database identical to the data in the form. It involves writing or posting data to the database and committing data to the database. Forms check the validity of the data in fields and records during a commit. Validity check are uni... 2007-04-15, 5230👍, 0💬

What is the difference between a HAVING CLAUSE and a WHERE CLAUSE
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? You can use Having Clause with the GROUP BY function in a query and WHERE Clause is applied to each row before they are part of the GROUP BY function in a query. 2007-10-25, 5229👍, 0💬

How To Access a Specific Character in a String
How To Access a Specific Character in a String? - PHP Script Tips - Understanding String Literals and Operations Any character in a string can be accessed by a special string element expression: $string{index} - The index is the position of the character counted from left and starting from 0. Here i... 2007-04-20, 5228👍, 0💬

Using XML Files with SGML Tools
If XML is just a subset of SGML, can I use XML files directly with existing SGML tools? Yes, provided you use up-to-date SGML software which knows about the WebSGML Adaptations TC to ISO 8879 (the features needed to support XML, such as the variant form for EMPTY elements; some aspects of the SGML D... 2007-04-11, 5228👍, 0💬

What Are the XHTML Element Content Models
What Are the XHTML Element Content Models? - XHTML Tutorials - Introduction To Element Content Syntax There are 4 content models defined for XHTML elements: 1. EMPTY - No content. Nothing between the opening tag and the closing tag. For example: &lt;br/&gt; - "br" element has no content. &am... 2007-05-12, 5227👍, 0💬

How Many Input Types Are Supported by INPUT Elements
How Many Input Types Are Supported by INPUT Elements? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields There are 10 input types are supported by "input" elements: &lt;input type="text"&gt; - Input text box. This is also the default type. &lt;input type="password"&gt; - Pa... 2007-05-12, 5227👍, 0💬

In What Order Different Parts of SQL Statements Are Executed
In What Order Different Parts of SQL Statements Are Executed? Where clause, Group By clause, Having clause, Order By clause and Select. 2007-04-15, 5227👍, 0💬

Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use?
Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use? I think JavaScript is easy to learn. One of the reasons JavaScript has the word "script" in it is that as a programming language, the vocabulary of the core language is compact compared to full-fledged prog... 2008-09-09, 5226👍, 0💬

How To Create a Table Index
How To Create a Table Index? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you have a table with a lots of rows, and you know that one of the columns will be used often as a search criteria, you can add an index for that column to improve the search performance. To add an ind... 2007-05-11, 5226👍, 0💬

What Is "mysqld"
What Is "mysqld"? - MySQL FAQs - Administrator Tools for Managing MySQL Server "mysqld" is MySQL server daemon program which runs quietly in background on your computer system. Invoking "mysqld" will start the MySQL server on your system. Terminating "mysqld" will shutdown the MySQL server. Here is ... 2007-05-11, 5226👍, 0💬

What are similarities between Class and structure
What are similarities between Class and structure ? Following are the similarities between classes and structures :- ? Both can have constructors, methods, properties, fields, constants, enumerations, events, and event handlers. ? Structures and classes can implement interface. ? Both of them can ha... 2007-10-23, 5225👍, 0💬

What is Suspend and Resume in Threading
What is Suspend and Resume in Threading ? It is Similar to Sleep and Interrupt. Suspend allows you to block a thread until another thread calls Thread.Resume. The difference between Sleep and Suspend is that the latter does not immediately place a thread in the wait state. The thread does not suspen... 2007-10-22, 5225👍, 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