Amazon | Data Engineer 2021 | Technical Phone Screen
Anonymous User
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Data Modeling:

Asked to design a data model for employee transfers within Amazon.

  • An employee would apply for a transfer from one team to another
  • The HR would review and approve / deny the transfer
  • Design a data model that would help in reporting on the count of employees accepted/ denied for transfers.

SQL:

Easy Medium SQL questions involving CASE WHEN, JOINS, subquery

Python:

Given a CSV file, remove the duplicates from that file and output a new file containing the duplicate values.

LPs:
Tell me about a challenging project you worked on and what did you learn from it.

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