What are Database Indexes?

Post author:nitendratech
Post category:Database
Post comments:1 Comment
Post published:March 10, 2021

What is a Database Index in SQL? An index in the database is a data structure that has content that can point to the location of the data in the…

What are Java Variables?

Post author:nitendratech
Post category:Java
Post comments:0 Comments
Post published:March 2, 2021

Variables in Java are defined as a basic unit of storage that defines the type and scope of the variable. A variable has three properties. Memory Location to store the…

Skills Needed For Data Scientist

Post author:nitendratech
Post category:Data Science
Post comments:0 Comments
Post published:February 20, 2021

By the name “Data Scientist” itself, one needs to understand and feel the data. For this, one needs a certain set of technical skills that will provide you with the…

Arithmetic Operators in Bash

Post author:nitendratech
Post category:Linux
Post comments:0 Comments
Post published:January 17, 2021

Bash provides different operators that we can use in our Bash Script. Arithmetic Assignment Bitwise Logical Relational Arithmetic Operator Bash provides multiple operations through which we can perform Mathematical/Arithmetic operations…

What is Polyglot Persistence?

Post author:nitendratech
Post category:Database
Post comments:1 Comment
Post published:December 13, 2020

Polyglot persistence is a concept in which multiple persistent technologies are considered for different requirements of an application instead of using RDBMS as a default choice. In 2006, Neal Ford…

What are Bash Variables?

Post author:nitendratech
Post category:Linux
Post comments:4 Comments
Post published:November 5, 2020

Even though BASH is not a typed language like another programming language, it provides different ways to create variables. Variables in Bash scripts can only contain String or numerical values.…

Important difference between SQL and NoSQL Database

Post author:nitendratech
Post category:Database
Post comments:1 Comment
Post published:October 25, 2020

This blog post will explain some of the differences between SQL and NoSQL databases.

SQL SELECT Operator

Post author:nitendratech
Post category:Database
Post comments:1 Comment
Post published:October 20, 2020

SELECT operator in SQL is used to select data from a database. Returned data from the SELECT operation is stored in a result table called the result-set.

What is NoSQL Database? NoSQL Database Explained

Post author:nitendratech
Post category:Database
Post comments:9 Comments
Post published:October 10, 2020

Non Relational or NoSQL Databases is a data storage system that was designed for unstructured data which does not follows a ACID property like a traditional RDBMS.Many of the NoSQL database provides flexibility in consistency in favour of availability and partition tolerance as explained by CAP theorem.

File Movement in Linux

Post author:nitendratech
Post category:Linux
Post comments:0 Comments
Post published:September 30, 2020

CP utility is used to copy files and directories in Linux based Operating system. It needs two mandatory arguments along with any optional parameters. Those two arguments are the source…