Management PHP-MySQL

Maintaining the Database

Maintaining the Database [MS Access] Database Security is essential Security can be administered in the form of: -A database Password -User-Level Security Compacting a Database -Backing up a Database -Importing and Linking external data Database Password —————————– -Simplest mode of securing a database. -Not very fool proof. -Database password to be used for opening database […]

General Web

what is internet

INTERNET INTERNET is a network of networks. Just as interstate highway system links one city to another, similarly the Internet links thousands of computer networks. This library lends books, audio and video: -Only one item at a time -Any two item at a time -All the three items -Internal borrowing among members is also allowed […]

jobs 2016

Jobs Dec-2016

Various vacancies in govt sector Central University of Tamil Nadu Positions No of Posts Salary Professor 15 Posts Rs.37,400-67K + 10KAGP Associate professor 33 Posts Rs.37,400-67K + 9K AGP Assistant Professor 49 Posts Rs. 15,600 – 39100 + 6K AGP To apply for above positions, click here  Indian Institute of Technology, Madras Applications are invited […]

C Programming C++

Searching techniques

Searching Techniques Files and Records: A record is a collection of related information and Collection of records is called a file. Ordered and unordered ———————————– Unordered– There is no relation between the records Ordered –The keys are ordered in a specific fashion to enhance searching. Keys: Specific field in a record to differentiate each record […]

C Programming C++

Sorting technique

Sorting Techniques Sorting is a process to arrange the records in the file in an order(either ascending or descending) with respect to the key. Sorting can be divided into two types of categories called internal and external sorting based on location of records at the time of sorting. The characteristics of sorting methods are – […]


List of countries in the world

World’s Fact There are 7 continents in the world and they are.. Asia Africa North America South America Antarctica Europe Australia List of total countries in each continent. 50 countries in Asia Afghanistan Armenia Azerbaijan Bahrain Bangladesh Bhutan Brunei Cambodia China Cyprus Georgia India Indonesia Iran Iraq Israel Japan Jordan Kazakhstan Kuwait Kyrgyzstan Laos Lebanon Malaysia […]

C Programming C++

Data structure Graph

Introduction to Graphs The limitation of tree is that it cannot represent many to many relation. This limitation is overcome by using Graph. Definition of a Graph ——————————- Graphs is a data structure consisting of a set of vertices (or nodes) A set of edges (or links) connecting the vertices G = (V, E) where V […]

C Programming C++

Data structure – Advanced Trees

Advanced Trees ———————— Definition of an AVL tree: An AVL tree is a binary search tree which has the following properties: 1. The sub-trees of every node differ in height by at most one. 2. Every sub-tree is an AVL tree. Named after their inventors, Adelson-Velskii and Landis, they were the first dynamically balanced trees […]

General Uncategorized

What is insurance

What is insurance? An arrangement or settlement by an organization or a company or a Government body which undertakes to provide financial or material guarantee as compensation for loss or damage, death, ill health etc. under certain terms and conditions. How many types of insurances? Now, there are various types of insurances are available for […]

C Programming C++

Trees – Data Structure

Introduction to Trees [Data Structure] ——————————————————- A tree  is a finite set of one or more nodes There is a specially designated node called the root  Remaining nodes are partitioned into n>=0 disjoint sets T1,…..Tn, where each of these sets is a tree. The sets T1,…. Tn are called subtrees of the root.   Terminologies […]