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Answered on 10 Feb Learn Apache Spark +2 Big Data Hadoop Testing

How to check whether table is present in work db

Ruchi

Visit www.mathdecode.com to contact me and watch my demo video.

First way: IF EXISTS (SELECT 1 FROM INFORMATION_SCHEMA. ... Second way: IF OBJECT_ID (N'mytablename', N'U') IS NOT NULL SELECT 1 AS res ELSE SELECT 0 AS res; MySQL provides the simple: SHOW TABLES LIKE '%tablename%';
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Answered on 29 Jan Learn Hadoop

What is the difference between Hadoop and NoSQL?

Gurjit Kaur

I have been teaching mathematics in 9th and 10th class at CBSE school since 2013. .

Hadoop is good for analytics- and historical-archive use cases, whereas NoSQL shines itself in operational workloads complementing their relational counterparts.
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Answered on 29 Jan Learn Hadoop

How does Hadoop work?

Gurjit Kaur

I have been teaching mathematics in 9th and 10th class at CBSE school since 2013. .

data, Hadoop allows clustering multiple computers to analyze massive datasets in parallel more quickly.
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Answered on 30 Jan Learn Hadoop

What should I learn Hadoop or AWS?

Venkata Rammohan Chittajallu

JAVA & AWS TECHNICAL ESSENTIALS TRAINER

Better to go with AWS(this is a cloud platform) & do certification in AWS. Later, you can even easily migrate/shift to another cloud platform like AZURE/G.C.P. There are lot of freelance jobs/work/tasks available on any cloud which includes part-time/full-time/teaching as well.
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Asked on 01/12/2022 Learn Hadoop

What do I need to know to learn Hadoop?

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Asked on 01/12/2022 Learn Hadoop

What are the daily duties of a Hadoop administrator?

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Asked on 01/12/2022 Learn Hadoop

What changes can be expected in Hadoop 3?

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Asked on 01/12/2022 Learn Hadoop

What are all algorithms used by Hadoop/MapReduce?

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Asked on 01/12/2022 Learn Hadoop

What's the best way to manage Hadoop on AWS?

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Asked on 01/12/2022 Learn Hadoop

What are real-time industry applications of Hadoop?

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