C_HANAIMP_16 SAP Certified Technology Associate - SAP HANA 2.0 SPS04

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Showing 1–3 of 10 questions

Question 1

What do you use a hierarchy function for? Note: There are 3 correct answers.

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  • Calculate distance between root and each hierarchy node

  • Identify hierarchy nodes that have no parent

  • Count the number of siblings for each hierarchy node

  • Determine the shortest path between each pair of nodes

  • Describe the relationship between nodes using attributes

Question 2

How can you optimize performance when writing SQL for use with calculation views?

Note: There are 2 correct answers to this question.

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  • Use declarative language instead of cursors

  • Use calculation engine (CE) functions instead of plain SQL

  • Control the flow logic using IF-THEN-ELSE conditions

  • Increase parallelization by using variables to break up statements


Question 3

What can you identify using the Performance Analysis Mode? Note: There are 2 correct answers to this question.

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  • Usage statistics of the calculation view

  • Joins that are defined on calculated columns

  • If the data is in the hot or warm storage tier

  • Information about join cardinality