Information Techenology (2)

8/6/2019 Information Techenology (2)

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INFORMATION

TECHENOLOGYPREPARED BY

MITUL PATHAK -23

DHAVAL HARIA -11

KHYATI NISHAR -20


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E-COMMERCE WEBSITES

DESIGN AND JAVA

COMMERCE TOOLS


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WHAT IS ECOMMERCE?

Ecommerce is enabling or achieving

your business objectives by usinginformation technology to enhance

or transform your business

processes.


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FEATURES:

Well marketed

Knowing customers

Understanding their needs

Open 24x7

No parking problems and rainy days buying

on Net


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WEB QUERY LANGUAGE

The web Query Language is an expressive

SQL-like language that lets you query, filter,

and join data across Web services.Applications of a Web Query Language

WebSQL takes advantage of multiple index

servers without requiring users to know about

them, and integrates full-text with topology-

based queries.


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EMBEDDED SQL

SQL is a language used to interrogate and process

data in a relational database.

Embedded SQL is a method of combining

the computing power of a programminglanguage and the database manipulation

capabilities of SQL.

Types of Embedded SQL

Static

Dynamic


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In static mode, the bind is done prior to

the execution and is stored in a

PLAN[programming language for main

frame computers-used in big organization]

In dynamic mode, the BIND[most widely

used DNS software] occurs at execution

time.

This results in additional overhead which

degrades performance.

This form of dynamic SQL will NOT be

used in our environment

It is hardcoded in the program itself and

the changeable value is the value in the

host variables.

It has the capability of changing the

columns, tables during the execution of

Post/Redirect/Get[design for webdevelopers]

It doesnt contain any host variables.

static SQL uses packages (database code)

and caches optimization information at

program level.

dynamic SQL doesn't need packages and

does calculation of access path at runtime

Comparing both Static SQL does more

validation at compile time and its there

for easier to use.

Dynamic SQL has more flexibility to

modify the SQL statements by the user of

the program at runtime.


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Java and database

Java Database Connectivity, commonly

referred to as JDBC, is an API for the Java

programming language that defines how aclient may access a database.

It provides methods for querying and updating

data in a database. JDBC is oriented

towards relational databases.


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STANDARD CGI LIBRARY

CGI (Common Gateway Interface) is a standard for runningexternal programs from a Web server.

The scripts available through our CGI library are:

Counter : This is a simple counter that displays thenumber of times a particular web page has been accessed.

FormMail : FormMail is a CGI script which takes theresults of any form and sends them to a specified emailaddress.

Simple & Advanced Guest Book : This is a simpleguest book script that allows you to create a guest bookthat your visitors can sign.

Entropy Search Engine

Time & Date and many more


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CREDIT CARD TRANSACTION USING

CGI Sale

Preauth

Postauth

Credit

Chargeback


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Credit card processing workflow

customer

Web server

Cc processing

gateway

Clearinghouses (visanet, nova, paymentech, global)

Customer bank Merchant bank

Merchant account


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SHOPPING CART CGI

Shopping cart software is software used in E-commerce to assist people making purchasesonline, analogous to the American English term'shopping cart'. In British English it is generallyknown as a shopping basket, almost exclusivelyshortened on websites to 'basket'.

Shopping cart software can be generallycategorized into two main categories.

Licensed software

Hosted service

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