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What Are the Differences between BINARY and VARBINARY
What Are the Differences between BINARY and VARBINARY? - MySQL FAQs - Introduction to SQL Basics Both BINARY and VARBINARY are both binary byte data types. But they have the following major differences: BINARY stores values in fixed lengths. Values are padded with 0x00. VARBINARY stores values in va... 2007-05-11, 5267👍, 0💬

How To Close MySQL Connection Objects
How To Close MySQL Connection Objects? - MySQL FAQs - PHP Connections and Query Execution MySQL connection objects created with mysql_connect() calls should be closed as soon as you have finished all of your database access needs by calling mysql_close($con) function. This will reduce the consumptio... 2007-05-10, 5267👍, 0💬

How To Do a Full Database Export
How To Do a Full Database Export? - Oracle DBA FAQ - Loading and Exporting Data If you are ready to do a full database export, you can use the FULL=y parameter on the expdp command, as shown in the following tutorial exercise: >expdp SYSTEM/fyicenter FULL=y ESTIMATE_ONLY=y Starting "SYSTEM"."SYS_EXP... 2007-05-01, 5267👍, 0💬

How To Generate a Feed subtitle Element
How To Generate a Feed subtitle Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;subtitle&gt; element is not a required sub-element of the &lt;feed&gt; element. But it is strongly recommended that you provide a subtitle element for each of your feed documents. You ... 2007-05-12, 5266👍, 0💬

What Is the Implicit Cursor
What Is the Implicit Cursor? - Oracle DBA FAQ - Working with Database Objects in PL/SQL The implicit cursor is the cursor automatically defined by PL/SQL for you. Whenever a SQL statement is executed, this cursor will be assigned to represent the execution of this statement. This implicit cursor is ... 2007-04-27, 5266👍, 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, 5266👍, 0💬

What Is a Parameter File
What Is a Parameter File? - Oracle DBA FAQ - Oracle Basic Concepts A parameter file is a file that contains a list of initialization parameters and a value for each parameter. You specify initialization parameters in a parameter file that reflect your particular installation. Oracle supports the fol... 2007-04-21, 5265👍, 0💬

What Is NULL in PL/SQL
What Is NULL in PL/SQL? - Oracle DBA FAQ - Understanding PL/SQL Language Basics NULL is a reserved key word and it stands for two things in PL/SQL: NULL is an executable statement, and means doing nothing. NULL is a data balue, and means no value. The following sample script shows you examples of us... 2007-04-29, 5264👍, 0💬

How To Use an Explicit Cursor without OPEN Statements
How To Use an Explicit Cursor without OPEN Statements? - Oracle DBA FAQ - Working with Cursors in PL/SQL If you want to open a cursor and loop through its data rows in quick way, you can use the FOR ... IN ... LOOP statement in the same way as the implicit cursor. The following tutorial exercise giv... 2007-04-29, 5264👍, 0💬

How To Test Browser Resolutions
How To Test Browser Resolutions? - CSS Tutorials - Page Layout and Background Image Design How to test your browser resolution? A simple way is to put a simple page with several images of different sizes. Then you view this page with different browsers on different computer systems and measure those... 2007-05-11, 5263👍, 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, 5263👍, 0💬

How To Take a Substring from a Given String
How To Take a Substring from a Given String? - PHP Script Tips - PHP Built-in Functions for Strings If you know the position of a substring in a given string, you can take the substring out by the substr() function. Here is a PHP script on how to use substr(): &lt;?php $string = "beginning"; pri... 2007-04-21, 5263👍, 0💬

Walking us through the steps necessary to parse XML documents
Can you walk us through the steps necessary to parse XML documents? Superficially, this is a fairly basic question. However, the point is not to determine whether candidates understand the concept of a parser but rather have them walk through the process of parsing XML documents step-by-step. Determ... 2007-04-11, 5263👍, 0💬

What is Windows CardSpace
What is Windows CardSpace ? It was previously known by its codename InfoCard. It is a framework by microsoft which securely stores digital identities of a user and provides a unified interface to choose the identity for a particular transaction, such as logging in to a website. Windows Card Space is... 2007-11-03, 5262👍, 0💬

How To Select Some Rows from a Table
How To Select Some Rows from a Table? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you don't want select all rows from a table, you can specify a WHERE clause to tell the query to return only the rows that meets the condition defined in the WHERE clause. The following select state... 2007-04-21, 5262👍, 0💬

What is the difference between System.String and System.StringBuilder classes?
Difference between System.String & System.StringBuilder Classes? System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed. prefer System.StringBuilder when you are doing lot of string manuplation oper... 2009-03-06, 5261👍, 0💬

What Is an Animated Image
What Is an Animated Image? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps An animated image is a special image file saved in animated GIF format. When an animated image is displayed in a browser window, multiple image frames will be displayed in sequence to form a simple animatio... 2007-05-12, 5260👍, 0💬

What Is a Recycle Bin
What Is a Recycle Bin? - Oracle DBA FAQ - Managing Oracle Database Tables 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 data... 2007-05-04, 5260👍, 0💬

What is difference between Rename and Alias?
What is difference between Rename and Alias? Rename is actually changing the name of an object whereas Alias is giving another name (additional name) to an existing object. Rename is a permanent name given to a table or column whereas Alias is a temporary name given to a table or column which do not... 2011-12-22, 5259👍, 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, 5258👍, 0💬

What is Asynchronous One-Way Calls
What is Asynchronous One-Way Calls ? One-way calls are a different from asynchronous calls from execution angle that the .NET Framework does not guarantee their execution. In addition, the methods used in this kind of call cannot have return values or out parameters. One-way calls are defined by usi... 2007-10-23, 5258👍, 0💬

How To Use "startup" Command to Start Default Instance
How To Use "startup" Command to Start Default Instance? - Oracle DBA FAQ - Introduction to Oracle Database 10g Express Edition If you logged in to the server as a SYSDBA, you start the default instance with the "startup" command. Here is how to start the default instance in SQL*Plus in SYSDBA mode: ... 2007-04-24, 5258👍, 0💬

What Is the Scope of a Variable Defined outside a Function
What Is the Scope of a Variable Defined outside a Function? - PHP Script Tips - Creating Your Own Functions A variable defined outside any functions in main script body is called global variable. However, a global variable is not really accessible globally any in the script. The scope of global vari... 2007-04-24, 5258👍, 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, 5258👍, 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