What is AJAX? AJAX stands for asynchronous javascript and xml. It is a technique where we can request data from the server without reloading the entire page, it is not a programming language, it is a combination of different technologies listed below Language used in ajax Html Css Javascript Php […]
Stacks In Java
April 06, 2024
Stack is a linear data structure ( an abstract data type ) with a fixed capacity. Linear data structure which is simple to use and allows adding and removing elements in a particular order i.e. a last-in-first-out (LIFO) order. Every element enters the stack from the top and leaves from the […]
NETWORK PROGRAMMING
April 06, 2024
Network Programming The term network programming refers to writing programs that execute across multiple devices (computers), in which the devices are all connected to each other using a network. Such programs enable processes to communicate with each other across a network. Communication over a network takes place through protocols like […]
Power BI – DAX
April 06, 2024
What is DAX? DAX stands for Data Analysis eXpressions and is the language behind Power BI. DAX is a formula expression language used in Analysis Services, Power BI, and Power Pivot in Excel. With the help of DAX, analysts discover ways to analyze data and come up with great ideas and insights […]
Overview of Data Communications and Networking
April 06, 2024
Introduction The development of personal computers brought about tremendous changes in business, industries, science & education. Business today relies on computer networks and the internet. Mails, documents, files are reached to our computers almost instantaneously from any part of the world. Exchange of Data between two devices via some form […]
Network Programming with Java Sockets
April 06, 2024
Network Programming with Java Sockets The java.net package of the J2SE API contains a collection of classes and interfaces that provide the low-level communication details required for network programming. At the core of Java’s networking support is the concept of a socket. A socket is a software endpoint that establishes […]
SUM and Average of Top N Values in Excel
April 06, 2024
In today’s world, the data sets we have is huge and we can have so many criteria to be followed on the data For Example: Sum Average etc. Let us say we have N products in our superstore and we have to find the total number of sales made in […]
Indexed sequential file organization and Chaining
April 06, 2024
Indexed sequential access file combines both sequential file and direct access file organization. In indexed sequential access files, records are stored randomly on a direct access device such as a magnetic disk by a primary key. This file has multiple keys. These keys can be alphanumeric in which the records […]
File Organization
April 06, 2024
Files The file is a collection of records related to each other. The file size is limited by the size of the memory and storage medium. There are two important features of the file: 1. File Activity 2. File Volatility File activity: It specifies that percent of actual records proceed […]
Transactions in DBMS
April 06, 2024
What are Transactions in DBMS? A small unit of a program that contains several low level tasks are called Transactions. Basic Concept of transaction : A transaction is a unit of program execution that accesses and possibly updates various data items in a database. Example : Transaction to transfer ₹50 […]
