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How To Create a Testing Table with Test Data
How To Create a Testing Table with Test Data? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want to follow the tutorial exercises presented in this collection, you need to create a testing table and insert some test data, as shown in the following sample script: mysql> CREATE TABLE... 2007-05-11, 5304👍, 0💬

How To Create an Array
How To Create an Array? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations You can create an array using the array() constructor. When calling array(), you can also initialize the array with pairs of keys and values. Here is a PHP script on how to use array(): &lt;?php print... 2007-04-20, 5304👍, 0💬

What Is a URL
What Is a URL? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs A URL (Uniform Resource Locator) is a reference name representing a location of a Web document or other resource that is available on the Internet. Here are some examples of URLs: "http://www.w3.org/" "http://dev.fyicenter.com... 2007-05-12, 5303👍, 0💬

How To Drop an Existing Index
How To Drop an Existing Index? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you don't need an existing index any more, you should delete it with the "DROP INDEX indexName ON tableName" statement. Here is an example SQL script: mysql> DROP INDEX tip_subject ON tip; Query OK, ... 2007-05-11, 5303👍, 0💬

How To Close a Session Properly
How To Close a Session Properly? - PHP Script Tips - Understanding and Using Sessions Let's say you site requires users to login. When a logged in user clicks the logout button, you need to close the session associated with this user properly in 3 steps: Remove all session values with $_SESSION = ar... 2007-04-17, 5303👍, 0💬

What is DISCO
What is DISCO ? DISCO is the abbreviated form of Discovery. It is basically used to club or group common services together on a server and provides links to the schema documents of the services it describes may require. 2007-10-23, 5302👍, 0💬

What Are the CSS Cascading Order Rules
What Are the CSS Cascading Order Rules? - CSS Tutorials - Introduction To CSS Basics The most important cascading order rules are: A specified CSS definition wins over a default CSS definition in the browser. A CSS definition with a contextual selector wins over a CSS definition with a tag selector.... 2007-05-11, 5302👍, 0💬

What Are the Differences between DATE and TIMESTAMP
What Are the Differences between DATE and TIMESTAMP? - Oracle DBA FAQ - Understanding SQL Basics The main differences between DATE and TIMESTAMP are: DATE stores values as century, year, month, date, hour, minute, and second. TIMESTAMP stores values as year, month, day, hour, minute, second, and fra... 2007-04-24, 5302👍, 0💬

What is the difference between XML and C or C++ or Java
What is the difference between XML and C or C++ or Java? C and C++ (and other languages like FORTRAN, or Pascal, or Visual Basic, or Java or hundreds more) are programming languages with which you specify calculations, actions, and decisions to be carried out in order. XML is a markup specification ... 2007-04-11, 5302👍, 0💬

What Is the Icon for Atom Syndication
What Is the Icon for Atom Syndication? - RSS FAQs - Atom Feed Introduction and File Generation The Web browser and Website syndication industry has adopted a standard icon to identify syndicated content as shown below: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2007-05-12, 5301👍, 0💬

How To Connect the Oracle Server as SYSDBA
How To Connect the Oracle Server as SYSDBA? - Oracle DBA FAQ - Creating New Database Instance Manually This is Step 4. The best way to connect to the Oracle server as an administrator is to use SQL*Plus. You need to run SQL*Plus with /nolog option and use the CONNECT with blank user name, blank pass... 2007-04-23, 5301👍, 0💬

How Does Oracle Handle Read Consistency
How Does Oracle Handle Read Consistency? - Oracle DBA FAQ - Understanding SQL Transaction Management Oracle supports two options for you on how to maintain read consistency: READ WRITE (the default option), also called statement-level read consistency. READ ONLY, also called transaction-level read c... 2007-04-18, 5301👍, 0💬

DOM and XML
What is DOM and how does it relate to XML? The Document Object Model (DOM) is an interface specification maintained by the W3C DOM Workgroup that defines an application independent mechanism to access, parse, or update XML data. In simple terms it is a hierarchical model that allows developers to ma... 2007-04-11, 5301👍, 0💬

Can we use events with threading
Can we use events with threading ? Yes, you can use events with thread; this is one of the techniques to synchronize one thread with other. 2007-10-22, 5300👍, 0💬

How To Update Values on Multiple Rows
How To Update Values on Multiple Rows? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If the WHERE clause in an UPDATE matches multiple rows, the SET clause will be applied to all matched rows. This rule allows you to update values on multiple rows in a single UPDATE statement... 2007-05-11, 5300👍, 0💬

How To Use Attributes of the Implicit Cursor
How To Use Attributes of the Implicit Cursor? - Oracle DBA FAQ - Working with Cursors in PL/SQL Right after executing a DML statement, you retrieve any attribute of the implicit cursor by using SQL%attribute_name, as shown in the following tutorial exercise: CREATE TABLE student (id NUMBER(5) PRIMAR... 2007-04-29, 5300👍, 0💬

Building Search Engines for Large Volumes of XML Data
How would you build a search engine for large volumes of XML data? The way candidates answer this question may provide insight into their view of XML data. For those who view XML primarily as a way to denote structure for text files, a common answer is to build a full-text search and handle the data... 2007-04-11, 5300👍, 0💬

What Are the Attributes of an IMG Element
What Are the Attributes of an IMG Element? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps There are 4 commonly used attributes for an "img" element: "src" - Required attribute. Used to specify the URL of the image file. "alt" - Required attribute. Used to specify the name of the ... 2007-05-12, 5298👍, 0💬

Can You Define an Array Argument as a Reference Type
Can You Define an Array Argument as a Reference Type? - PHP Script Tips - Creating Your Own Functions You can define an array argument as a reference type in the function definition. This will automatically convert the calling arguments into references. Here is a PHP script on how to define an array... 2007-04-24, 5298👍, 0💬

What Is a Savepoint
What Is a Savepoint? Savepoint is a point within a particular transaction to which you may rollback without rolling back the entire transaction. 2007-04-15, 5297👍, 0💬

What Are Date and Time Data Types
What Are Date and Time Data Types? - MySQL FAQs - Introduction to SQL Date and Time Handling MySQL supports the following date and time data types: DATE - A date in the range of '1000-01-01' and '9999-12-31'. Default DATE format is "YYYY-MM-DD". DATETIME - A date with the time of day in the range of... 2007-05-11, 5296👍, 0💬

How To Write a Query with a Full Outer Join
How To Write a Query with a Full Outer Join? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want to query from two tables with a full outer join, you can use the FULL OUTER JOIN ... ON clause in the FROM clause. The following query returns output with a full outer join from two ... 2007-04-19, 5296👍, 0💬

What is CODE Access security (CAS)?
.NET INTERVIEW QUESTIONS - What is CODE Access security (CAS)? CAS is part of .NET security model that determines whether or not a piece of code is allowed to run and what resources it can use while running. Example CAS will allow an application to read but not to write and delete a file or a resour... 2010-04-27, 5295👍, 0💬

What Are Heading Tags/Elements
What Are Heading Tags/Elements? - XHTML 1.0 Tutorials - Body Tag and Block Level Tags Heading elements are block level elements that can be used directly as a sub-element in the body element. You can use heading elements to specify heading in different sizes. Here are basic rules about heading eleme... 2007-05-12, 5295👍, 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