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define the cods rule?

Hi,The Codds 12 rules are a set of thirteen rules that tell what is required from a database management system in order for it to be considered relational, i.e., an RDBMS :Rule 0: The system must qualify as relational, as a database, and as a management system.For a system to qualify as a relational database management system RDBMS, that system must use its relational facilities exclusively

Posted in Computers & Technology by blogger01 at 12:53 PM on May 23, 2008
Tags define, rule

define the cods rule?

Rule 0: The system must qualify as relational, as a database, and as a management system.For a system to qualify as a relational database management system RDBMS, that system must use its relational of tables.Rule 2: The guaranteed access rule:All data must be accessible with no ambiguity. This rule is essentially a restatement of the fundamental requirement for primary keys.It says that every individual

Posted in Computers & Technology by Sharad Singh at 9:14 PM on May 15, 2008
Tags define, rule

What is a traditional Network Library for SQL Servers?

SQL Server uses a dynamic link library DLL, called a Net Library, to communicate with a particular network protocol. A matching pair of Net Libraries must be active on both client and server DBNETLIB.dll must be configured to connect to that server on the client computer, and the server TCP/IP Sockets Net Library SSNETLIB.dll must be listening on the server computer. Also in this case the TCP

Posted in Computers & Technology by Mohd Farooq at 4:54 PM on June 25, 2008
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What is open source ? what are the distribution terms of open source software ?

restrictions on how the software can be used or who can use it.The distribution terms of open-source software must comply with the following criteria: The program must be freely distributed. Source code must be included. The license must allow modifications and derived works, and must allow them to be distributed under the same terms as the license of the original software. The license may restrict source-code from

Posted in Computers & Technology by Rocky at 1:34 PM on May 19, 2008

What is open source ? what are the distribution terms of open source software ?

.Open source software is the most prominent example of open source development and often compared to user generated.For more information must visit:-http://www.opensour ce.org/docs/osd....Open source is a set is available to the general public for use and/or modification from its original design free of charge.Open source doesnt just mean access to the source code. The distribution terms of open-source software must

Posted in Computers & Technology by sona rane at 11:18 PM on April 26, 2008
Tags linux

What is open source ? what are the distribution terms of open source software ?

Open Source Definition.Terms and conditions: The software being distributed must be redistributed to anyone else without any restriction The source code must be made available so that the receiving.Terms and conditions:1. The software being distributed must be redistributed to anyone else without any restriction2. The source code must be made available so that the receiving party will be able to improve or modify

Posted in Computers & Technology by Rocky at 5:54 AM on May 08, 2008

What is an abstract class?

well;Abstract class must be extended/subclassed to be useful. It serves as a template. A class that is abstract may not be instantiated ie, you may not call its constructor, abstract class may contain static data. Any class with an abstract method is automatically abstract itself, and must be declared as such.A class may be declared abstract even if it has no abstract methods. This prevents

Posted in Computers & Technology by rocky singh at 5:24 AM on June 22, 2008

What is RMI?

which itself talks across the network.But you dont think about this, you just send messages via your interface handle.When you create a remote interface, you must follow these guidelines:1. The remote interface must be public.2. The remote interface must extend the interface java.rmi.Remote3. Each method in the remote interface must declare java.rmi.RemoteException in its throws clause, in addition to any

Posted in Computers & Technology by rocky singh at 2:06 PM on June 26, 2008
Tags rmi

what is the Differences Between XHTML&HTML ?

: ..1.the tags in the page MUST be in lower case in XHTML whereas with HTML the tags are case insensestive .... 2.all tags must close either by using a corresponding closing tag , or some tags are self closing in XHTML whereas in HTML its not the case with some tags for example paragraph tag. ... 3.all tags must be properly nested in XHTML ...4.all attributes must also be lowercase in XHTML ..5.all values

Posted in Computers & Technology by preety.palo at 2:07 AM on October 25, 2007

What are the Basic norms to be followed in a Hindu Temple ?

Most priests take elaborate measures to maintain mental and physical purity of the temple. While most devotees cannot maintain such regimens, there are some basic rules that must be followed in all not be pointed toward the deities. Feet are preferably folded. One must not sit with back towards the sanctum sanctorum. Women should not enter the mandir in the first four days of their menstrual cycle. One

Posted in Puja & Rituals by Arle Rambabu at 8:20 AM on October 07, 2008

Which of the following is not a antivirus company? 1 AVG 2 Panda 3 Symantec 4 Xargon

well, The game is a side-scrolling platform game very similar to Jill of the Jungle, but with improved graphics. In the game, the main character, Malvineous Havershim, must journey through strange landscapes as he seeks to destroy the evil Xargon.Volume 1 was released as shareware, but volumes 2 and 3 must be purchased commercially.Initially, Malvineous is armed with a "laser bullet", allowing

Posted in Computers & Technology by Aryan Gusain at 2:12 PM on July 02, 2008

How to convert HTML pages in to EXCEL file

files, final click "Convert" button to get conversion result, it is very easy to use!Please note:To support HTML format, you must install MS Excel 2000 or above.To support XML and MHTML format, you must install MS Excel 2002 or above....Ab jsut follow these steps like Convert Excel Spreadsheet to HTML is a batch html converter that Convert Excel Spreadsheet to HTML. It can convert a lot

Posted in Computers & Technology by A B at 10:42 PM on March 01, 2008

how can i be MCSE and ORACLE OCP? pls suggest in detail.

, first you must finish OCA first in which you must pass the exams required for the Oracle Certified Associate level of your selected job role. Typically, two exams are required; the first one can be taken via the Internet, while subsequent exams must be taken in a proctored environment. You must pass the following two Certification exams to obtain your OCA credential: Introduction to Oracle Certification

Posted in Computers & Technology by Ambarish Bil at 3:18 PM on July 11, 2008

how can i be MCSE and ORACLE OCP? pls suggest in detail.

, first you must finish OCA first in which you must pass the exams required for the Oracle Certified Associate level of your selected job role. Typically, two exams are required; the first one can be taken via the Internet, while subsequent exams must be taken in a proctored environment. You must pass the following two Certification exams to obtain your OCA credential: Introduction to Oracle Certification

Posted in Computers & Technology by Ambarish Bil at 3:18 PM on July 11, 2008

What is the difference between a computer virus and a worm?

hi thereA computer virus is a small program written to alter the way a computer operates, without the permission or knowledge of the user. A virus must meet two criteria:It must execute itself. It often places its own code in the path of execution of another program.It must replicate itself. For example, it may replace other executable files with a copy of the virus infected file. Viruses can

Posted in Computers & Technology by Sarita . at 6:05 AM on June 27, 2008
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