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Introduction to Big Data · Quiz 2 · 2 Apr 2023 · January 2023 term · Set QPE3

Question 18: Which of the following types of data sources can you rea…

Question 18

+3 marksOne or more correct options

Which of the following types of data sources can you read successfully without missing data using a program that extracts once every day? If no data is missed, then all data in source will match data extracted successfully.

Select all that apply.

  1. A

    A MySQL table where all Creates are new rows and all Updates are in-place

  2. B

    A Linux machine’s system.log file into which all processes append their events

  3. C

    Share transactions stored as facts & share prices stored as SCD Type IIdimension tables in a PostgreSQL database

  4. D

    A weather API that provides the temperature & rainfall readings for all itsweather stations in India at the point of querying

  5. E

    Google drive account that stores all historical census data for India

Show answer

Correct answers

  • B

    A Linux machine’s system.log file into which all processes append their events

  • C

    Share transactions stored as facts & share prices stored as SCD Type IIdimension tables in a PostgreSQL database

  • E

    Google drive account that stores all historical census data for India

See the whole paperTake it as a mock test

Question 18 of 20 in the IIT Madras BS Introduction to Big Data (Intro to Big Data) Quiz 2 paper sat on 2 Apr 2023, in the January 2023 term (IIT M DEGREE AN3 EXAM QPE3 02 Apr 2023). It carries 3 marks.

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