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Constantin Lungu

Data Engineer

Bucharest, Romania

Member Since Mar, 2023

Writes at

Datawise

Datawise

About Me

Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified

My Tech Stack

SQL GCP bigquery analytics data modelling

I am available for

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Self Starter

Self Starter

Earned on Mar 23, 2023

Recent Activity

Dec 2

Wrote an article

De-duplicating with ROW_NUMBER vs ARRAY_AGG

Nov 30

Wrote an article

Using SELECT * with EXCEPT and REPLACE

Nov 28

Wrote an article

Dunder / magic functions in Python

Nov 25

Wrote an article

Using STRUCTS for Audit Fields in BigQuery

Nov 15

Wrote an article

Comparing ranking functions in BigQuery

Nov 8

Wrote an article

Tidying up WINDOW functions in BigQuery with named windows

Nov 7

Wrote an article

Using ARRAY_AGG in BigQuery

Nov 6

Wrote an article

Using Correlated Subqueries in BigQuery

Oct 30

Wrote an article

Intersect and Except in BigQuery

Oct 28

Wrote an article

Picking between CTE, View and Temp Table in BigQuery