SQL :
1. create Pivot tables,
2. find the sequence gap and aggregate the result

python:
1. Tricky python questions like function and their output
2. Normal and basic level of coding

Pyspark:
1. Please check this topics of pyspark Windows functions , date_diff, case when , watermark and aggregation

Question

SQL :
1. create Pivot tables, 
2. find the sequence gap and aggregate the result

python:
  1. Tricky python questions like function and their output
  2. Normal and basic level of coding

Pyspark:
1. Please check this topics of pyspark Windows functions , date_diff, case when , watermark and aggregation

TELUS