Proof that Less can be More

Proof that Less can be More

Snowflake Data Warehouse release 2.11 (September 7, 2017) included the addition of an OVERWRITE parameter for the INSERT command. INSERT OVERWRITE effectively consolidates two commands, TRUNCATE TABLE and INSERT, into one. INSERT OVERWRITE also deletes the file load history and retains access control privileges on the target table; both of which are not insignificant details. […]

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Joining it all up

Joining It All Up

When I start a new ETL project I often find it useful to have some idea how the source tables relate to each other. If I’m lucky there is documentation to guide me or even a diagram showing me how the tables link up (I do dream a lot). Of course, I could pull the […]

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