What happens to job tracker when namenode is down?

678

1)How will u implement SCD2 by using surrogate key. 2)What are the disadvantages with surrogate key. 3)How will you handle nulls in your project for the varchar, integer data types. 4)Can I use two fact tables in star schema. 5)3 jobs are running on the 2 nodes after I added one more node so can I compile those jobs to run on three nodes.

4044

why fuse block is not used for AI signal?

1896

1.What is captive power plant? 2.What is national grid?Give brief idea.

2155

What is the concept of view state in asp.net?

1012

Which property is used to set the line style for the outline?

579

Does the HDFS go wrong? If so, how?

46

How do I convert a table of contents to text in word?

598

How the new states are generated in genetic algorithm? a) Composition b) Mutation c) Cross-over d) Both b & c

3480

Difference between promises and observable?

828

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

1049

In what way is imap different than pop3?

903

Which language is not supported by spark?

335

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2171

Why you need a data structure?

1094