31. Where is hadoop-env.sh file present? hadoop-env.sh file is present in the conf location. 32. In Hadoop_PID_DIR, what does PID stands for? PID stands for ‘Process ID’.
June 2016
- HadoopInterview Questions and AnswersTechnical Interview Questions and Answers
- HadoopInterview Questions and AnswersTechnical Interview Questions and Answers
Hadoop Basic Interview Questions and Answers Part-3
by Sby S21. How can we check whether Namenode is working or not? To check whether Namenode is working or not, use the command /etc/init.d/hadoop-0.20-namenode status or as simple as jps. 22. …
- HadoopInterview Questions and AnswersTechnical Interview Questions and Answers
Hadoop Basic Interview Questions and Answers Part-2
by Sby S11. How to exit the Vi editor? To exit the Vi Editor, press ESC and type :q and then press enter. 12. What is a spill factor with respect to …
- HadoopInterview Questions and AnswersTechnical Interview Questions and Answers
Hadoop Basic Interview Questions and Answers Part-1
by Sby S1. Which are the three modes in which Hadoop can be run? The three modes in which Hadoop can be run are: 1. standalone (local) mode 2. Pseudo-distributed mode 3. …
- Data WarehouseInterview Questions and AnswersTechnical Interview Questions and Answers
Data warehouse Latest Interview Questions and Answers Part-5
by Sby S41. What does MetaData Respiratory contains? Metadata respiratory contains Definition of data warehouse, Business Metadata, Operational Metadata, Data for mapping from operational environment to data warehouse and the Alorithms for …
- Data WarehouseInterview Questions and AnswersTechnical Interview Questions and Answers
Data warehouse Latest Interview Questions and Answers Part-4
by Sby S31. What is called data cleaning? Name itself implies that it is a self explanatory term. Cleaning of Orphan records, Data breaching business rules, Inconsistent data and missing information in …
- Data WarehouseInterview Questions and AnswersTechnical Interview Questions and Answers
Data warehouse Latest Interview Questions and Answers Part-3
by Sby S21. What is Active Datawarehousing? An active datawarehouse is a datawarehouse that enables decision makers within a company or organization to manage customer relationships effectively and efficiently. 22. What is …
- Data WarehouseInterview Questions and AnswersTechnical Interview Questions and Answers
Data warehouse Latest Interview Questions and Answers Part-2
by Sby S11. What is the difference between View and Materialized View? A view is nothing but a virtual table which takes the output of the query and it can be used …
- Data WarehouseInterview Questions and AnswersTechnical Interview Questions and Answers
Data warehouse Latest Interview Questions and Answers Part-1
by Sby S1. What does the subject oriented data warehouse signifies? A: Subject oriented signifies that the data warehouse stores the information around a particular subject such as product, customer, sales etc. …