Question

Giving relevant examples,discuss the various transaction processing in e-commerce based on the following; 1.transactions and e-commerce 2.overview of transaction processing 3.transaction processing in e-commerce 4.keeping business records,audit,backup 5.high availability systems 6.replication and scaling 7.implementation

Answer 1

Ans

1) transactions and e-commerce

E-Commerce refers to commerce or trade on electronic media or internet on electronic media or internet aur internet the buying and selling of goods and service and the transfer of money and data is executed on internet the selling process and the purchasing process is done online all the transactions of selling and purchasing are take place online on the internet. The E-Commerce was first established on 1st of August 1994 by selling a CD from one man to his friend by the help of website net market .the commercial transactions which is happened over the internet. Online stores like Amazon, Flipkart, Shopify, Myntra, Ebay, Quikr, Olx are examples of E-commerce websites.

2) overview of transaction processing

A transaction processing system refers to a system of checking or auditing all over the transactions and the process which is held by the organisation this system is use to capture and process the detailed information necessary to update data on the fundamental operations of an organization. Transactions are single events that change something, such as customer orders, receipts, invoices, payments, etc.

atomicity and automatic recovery. are the two process involved in transaction processingAtomicity process have to find out that transactions cover each and every data related or committedAutomatic recovery ensures that any committed updates will be made to the data and index files even in the event of a system crash.

Example of transaction processing system is ATM, Telephone Account and airline seat reservation system.

3) transaction processing in e-commerce

transaction processing system refers to a system of checking for monitoring the transactions related to the organisation and all the data which is committed are recorded or not it is the process of collecting or monitoring the data in the best possible way Online transactions occur when a process of buying and selling takes place through the internet. When a consumer purchases a product or a service online, he/she pays for it through online transaction. Let’s find out more about it.There are six steps in processing a transaction. They are data entry, data validation, data pro- cessing and revalidation, storage, - output generation, and query support. Internet Merchants Now Have a Total E-commerce Payment Verification and Transaction Processing Solution From One Vendor example include systems that manage sales order entry, airline reservations, payroll, employee records, manufacturing, and shipping

4) keeping business records,audit,backup

Recording of data is the basic and the most important process of the reading because help as a backbone do a business every business should be making file and system backups daily. Store backups in an offsite secure location. This way if something happens at the businesses’ physical location, backups are protected.

Auditrefers to the checking and monitoring the data which is feeded or recorded it helps to check the record whether it is correct or or appropriate or not and if there is any transaction mistake then how to rectify that is known as audit.

In process backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event.

Example if there is chance of fraud or claiming of consumer that the goods is not deliver etc and illegal allegations on the organisation is taking place then the the recorded data and backup help the industry to stand and fight against illegal allegations.

5) high availability systems

High availability system is the system which provides or run for long time systems typically have redundant hardware and software that makes the system available despite failures. Well-designed high availability systems avoid having single points-of-failure

ensure an agreed level of operational performance, usually uptime, for a higher than normal period. Modernization has resulted in an increased reliance on these systems

Example hospitals and data centers require high availability of their systems

6 replication and scaling

Replication refers to the long-term stability of the system and recording of data for long termThe use of data replication to scale is also known as scale-out approach, in which the scalability increases by adding new nodes.order to attain scalability each transaction should not be fully processed by every replica. This depends on how transactions are mapped to replicas

For example, Hippocampus Learning Centers, which provides early childhood education to underserved children, utilizes several strategies to expand their business in different states across India by using a mix of branch and partnership approaches, while also licensing their management software and curriculum to other entrepreneurs like Hipocampus Mexico with the support of a replication venture-builder, Connovo.

7 Implementation

It is the process of executing and actually performing the task or plan execution, or practice of a plan, a method, or any design, idea, model, specification, standard or policy for doing something. As such, implementation is the action that must follow any preliminary thinking in order for something to actually happen.

Example if a firm has decided to frame new policies for the changing environment and the adoption of that strategy of policy into the organisation and working on it is known as implementation