interview questions In Centric consulting

 1:- What is truncate /delete

Remove duplicate rows

How to get data


source


1 a

2  b,d

3 c


Target


1 a

1  b

1c

2  a

2 c


difference between lookup/unconnected/unconnected

Start vs snowflake dimension

Degenerated/Conformed dimension


Union Transformation


SCD type 2

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