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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, 5428👍, 0💬

How To Set a Transaction To Be READ ONLY
How To Set a Transaction To Be READ ONLY? - Oracle DBA FAQ - Understanding SQL Transaction Management If you want a transaction to be set as READ ONLY, you need to the transaction with the SET TRANSACTION READ ONLY statement. Note that a DML statement will start the transaction automatically. So you... 2007-04-17, 5428👍, 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, 5427👍, 0💬

How To Use "checkbox" Input Fields
How To Use "checkbox" Input Fields? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields A "checkbox" input field is defined as &lt;input type="checkbox" .../&gt;. A "checkbox" input field can be used to create a checkbox to allow viewers to switch on or off a boolean flag. There are... 2007-05-12, 5427👍, 0💬

How To Get an Extra White Space
How To Get an Extra White Space? - XHTML Tutorials - Introduction To Element Content Syntax As you know that white space characters will be ignored in elements like "p". So how to get some extra white space to show up in your text paragraphs? On easy solution is to use XHTML entity: "&amp;nbsp;"... 2007-05-12, 5426👍, 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, 5426👍, 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, 5425👍, 0💬

Can you explain collation sequence in sql server
Can you explain collation sequence in sql server? First let’s define collation. Collation sequences are set of rules which determine how the data is sorted and compared. Sorting rules can be defined with options with case-sensitivity, accent marks, kana character types and character width. Case sens... 2007-11-02, 5424👍, 0💬

What Is PCDATA
What Is PCDATA? - XHTML Tutorials - Introduction To Element Content Syntax PCDATA stands for Parsed Character DATA. Here are some basic rules about PCDATA: PCDATA is a string of characters and XHTML entities. XHTML entities are escape sequences used to refer to special characters that are not so eas... 2007-05-12, 5424👍, 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, 5424👍, 0💬

How To Generate a Feed id Element
How To Generate a Feed id Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;id&gt; element is a required sub-element of the &lt;feed&gt; element. The Atom specification requires that you provide a universally unique identifier for each of your feeds. So how to make ... 2007-05-12, 5424👍, 0💬

How To Create A Link to Open a Document in a New Window
How To Create A Link to Open a Document in a New Window? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs Normally, if a hyper link is linked to a XHTML document, the browser will display the linked document in the same window as the current document. But if you want to the browser to disp... 2007-05-12, 5423👍, 0💬

How To Create an Initialization Parameter File
How To Create an Initialization Parameter File? - Oracle DBA FAQ - Creating New Database Instance Manually This is Step 3. To run an Oracle database as an Oracle instance, you need to create an initialization parameter file, which contains a set of initialization parameters. The easiest way to creat... 2007-04-22, 5423👍, 0💬

What are satellite assemblies
What are satellite assemblies? 2007-11-01, 5422👍, 0💬

What Are Numeric Data Types
What Are Numeric Data Types? - MySQL FAQs - Introduction to SQL Basics MySQL supports the following numeric data types: BIT(n) - An integer with n bits. BOOL same as BOOLEAN - Boolean values stored in 1 bit. TINYINT - A small integer stored in 1 byte. SMALLINT - A small integer stored in 2 bytes. ME... 2007-05-11, 5421👍, 0💬

Can You Copy an Array
Can You Copy an Array? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations You can create a new array by copying an existing array using the assignment statement. Note that the new array is not a reference to the old array. If you want a reference variable pointing to the old arr... 2007-04-20, 5421👍, 0💬

How To Use Different Markers on Unordered List Items
How To Use Different Markers on Unordered List Items? - XHTML 1.0 Tutorials - Understanding Lists and List Items By default, browsers will use solid dots as the item markers for unordered lists. If you want to change them to something else, like tiny squares, you need to use CSS properties. Here is ... 2007-05-11, 5420👍, 0💬

What Happens If NULL Values Are Involved in Expressions
What Happens If NULL Values Are Involved in Expressions? - MySQL FAQs - Introduction to SQL Basics If NULL values are used in expressions, the resulting values will be NULL values. In other words: Arithmetic expressions with NULL values result NULL values. Comparison expressions with NULL values res... 2007-05-11, 5419👍, 0💬

How do you estimate a project
How do you estimate a project? There are many techniques available for estimating a project: Function points Use Case points WBS etc etc. 2007-10-30, 5418👍, 0💬

Can we post and access view state in another application
Can we post and access view state in another application? You can post back to any page and pages in another application, too. But if you are posting pages to another application, the PreviousPage property will return null. This is a significant restriction, as it means that if you want to use the v... 2007-10-23, 5417👍, 0💬

What Happens If You Use a Wrong Connect Identifier
What Happens If You Use a Wrong Connect Identifier? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool Of course, you will get an error, if you use a wrong connect identifier. Here is an example of how SQL*Plus react to a wrong connect identifier: SQL> CONNECT fyi/retneciyf@WRONG; ... 2007-04-28, 5417👍, 0💬

What Are the General Rules on Data Consistency
What Are the General Rules on Data Consistency? - Oracle DBA FAQ - Understanding SQL Transaction Management All SQL statements always work with a snapshot of the database to provide data consistency. For READ WRITE transactions, the snapshot is taken when each statement starts. For READ ONLY transac... 2007-04-17, 5417👍, 0💬

How To Revoke CREATE SESSION Privilege from a User
How To Revoke CREATE SESSION Privilege from a User? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges If you take away the CREATE SESSION privilege from a user, you can use the REVOKE command as shown in the following example script: >.\bin\sqlplus /nolog SQL> connect SYSTEM/fy... 2007-05-01, 5416👍, 0💬

How To Test the Session Garbage Collection Process
How To Test the Session Garbage Collection Process? - PHP Script Tips - Understanding and Using Sessions In order to test the session garbage collection process, you need to change the settings to expire session variables in 10 seconds and run the process on every request: session.gc_probability = 1... 2007-04-18, 5416👍, 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