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Interview Questions for MEAN stack developer

What kind of NoSql database is MongoDB? Developers need solutions that align with the realities of modern data and iterative software development practices. NoSQL databases have emerged in recent years as an answer to the limitations of traditional relational databases and to provide the performance, scalability and flexibility required of modern applications. Most aspects of these NoSQL technologies vary greatly and have little in common except for the fact that they do not use a relational data model. There are four types of NoSQL database management systems: Key-value stores   are the simplest NoSQL databases. Every single item in the database is stored as an attribute name (or "key") together with its value. Examples include Riak, Voldemort, and Redis. Wide-column stores   store columns of data together instead of rows and are optimized for queries over large datasets. Cassandra and HBase are wide-column databases. Document databases   pair each ...

Interview Questions to remember

AngularJS Directives As you have already seen, AngularJS directives are HTML attributes with an  ng  prefix. The  ng-app  directive tells AngularJS that the <div> element is the "owner" of an AngularJS  application . < !DOCTYPE  html > < html > < script  src ="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js" > < /script > < body > < div  ng-app ="" >    < p > Name:  < input  type ="text" > < /p > < /div > < /body > < /html >                                                                                                               ...