Luka Cempre Profile picture
Sr. Data Scientist at @adswerveinc
Apr 20, 2023 7 tweets 3 min read
I have noticed an increasing amount of poor practices floating around regarding connecting #BigQuery with Looker/Data Studio that could cost you.

My top suggestions:
- utilize _table_suffix
- build reporting tables
- BI Engine
- Materialized Views
- Caching

Details in 🧵 1/5 When working with sharded tables take advantage of the _table_suffix. It will potentially save you from querying a column and querying multiple tables.

Good: SELECT _table_suffix as date, userId, location... From table_*
Bad: SELECT date, userId, location... FROM table_* 2 queries doing the exact s...