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Big Data Consultant Interview Questions
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class male female 1 2 1 2 0 2 3 2 0 class gender 1 m 1 f 1 m 2 f 2 f 3 m 3 m Using pyspark take the data from table1 and dump into another table in the format of table2 as given . Also please do vice-versa Question 2: dept salary 1 10 1 20 2 40 2 50 2 90 2 80 1 100 1 70 using pyspark sort the datasets as per salary and print out third highest row for each dept Question 3: How you the offset works in KAFKA , also write the syntax for it
K-Means ? Arbres de décision ? Complexité Algorithmique ? Peux-tu détailler ton projet d'analyse de données ?
what are UDF in hive and pig
self join
Si votre hobby est celui sur votre CV, pourquoi vous n'avez pas poursuivi une carrière dans celui-ci ?
Technical step was easy, questions about spark . In manager call only hdfs hadoop questions
Questions were on Big Data technologies for me focused on Spark, SQL, Hive, Python.
Q1. Explain Spark Architecture ? Q2. How stages are created ? Q3 What is metastore ? Q4 Optimization techniques ? Q5 DF practical question Q6 4 Easy SQL query. Brush up your Spark Skills.
Basic questions on hadoop and PySpark.
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