The primary difference between Spark and MapReduce is that Spark processes and retains data in memory for subsequent steps, whereas MapReduce processes data on disk. Introduction of MapReduce vs Spark Meaning of Hadoop MapReduce Meaning of Spark Factors that Drive the Hadoop MapReduce vs Spark Decision Limitations of Hadoop MapReduce and...

Aggregate Functions are a type of function where values of multiple rows are grouped together as the input to form a single value of more significant meaning, such as a set or list. Introduction to Tableau Aggregate Functions Aggregate Functions How does Aggregate Function Work in Tableau? Conclusion [contact-form-7 id="76417" title="Subscriber...

Project management is the use of specific knowledge, skills, tools and techniques to deliver something of value to people. Introduction to Project Management Definition Examples of project management Project Phases Project Manager's Role Project Manager's Skill Set Barriers, Risks and Issues That Affect Project Success Good project management...

TOGAF is the acronym for The Open Group Architecture Framework and it was developed by The Open Group, a not-for-profit technology industry consortium that continues to update and reiterate the TOGAF. Introduction to TOGAF TOGAF Overview TOGAF History TOGAF Pillars TOGAF Criticism The TOGAF approach to EAFs Why You Need TOGAF...

The sleep() function suspends (waits) execution of the current thread for a given number of seconds. Python has a module named time which provides several useful functions to handle time-related tasks. The sleep() function suspends execution of the current thread for a given number of seconds. Introduction to Python Sleep Method Syntax for...

Kotlin is a statically programming language while Python is dynamic. Python is easier to learn and read than kotlin ( it would depend on your readability. They all have many built in functions ( for instance math ). What is Kotlin & Python? Potential Reasons to Use Kotlin vs Python Features of Kotlin vs Python Python Features Is Kotlin...

Linux is a Unix-like, open source and community-developed operating system (OS) for computers, servers, mainframes, mobile devices and embedded devices. It is supported on almost every major computer platform, including x86, ARM and SPARC, making it one of the most widely supported operating systems. Introduction to Linux Why do you need an...

The IntervalMatch prefix is used to create a table matching discrete numeric values to one or more numeric intervals, and optionally matching the values of one or several additional keys. What is the IntervalMatch function in QlikView? Syntax of IntervalMatch Function IntervalMatch (Extended Syntax) Example of IntervalMatch Function How its...

Circular Reference occurs when we can traverse from one table to another using two or more different paths. This can lead to incorrect result in the output formed by a data model, which loads all these three tables. QlikView prevents the load of such data into its memory once it recognizes a circular reference. What is Circular Reference in...

The Microsoft System Center Configuration Manager is an administration tool that enables organizations to manage and safeguard devices and software within its environment. SCCM takes care of the hardware inventory, distributing software and patches, and more. Introduction to SCCM Who can use it and how much does it cost? Core features of...