Sessions, once created, needs to be destroyed when a user logs out or closes the application. By default a session automatically gets destroyed when a user closes her browser. This…
CSVeda Posts
After you create a session with session_start(), you can use session variables. PHP Session variables allow you to use data across webpages and implement coding logic in your web application…
There are a different states of a transaction during its term of execution. A transaction can be in any one of the following states when it is executing: Active State:…
Data mining is the process of extraction of knowledge from raw data to perform predictive analytics and operations. Most companies use its different approaches to observe trends in data. The…
As discussed in the previous post, a transaction in DBMS can be defined as a program which groups various operations to be performed on the database and executes this collection…
Before we delve into the discussion of Transaction and Concurrency Control, let’s understand its context. In today’s times when most of the work is done on computers there are certain…
JavaScript is one of the most used scripting languages in web and mobile application development. This list comprises some of the most popular frameworks in JavaScript used for faster and…
In a database, decomposition refers to the breaking down of a relation into multiple smaller relations. Relational Decomposition is done when a relation in the database is not in an…
Clustering is an unsupervised learning method in machine learning. Clustering Algorithms in Machine learning are used to create data groups. These data groups are called as clusters. The data points…
Before going into depth about what the Fifth Normal Form while normalizing databases is, we should have knowledge about a type of dependency known as Join Dependency. What actually a…