September 21, 2026 · Vistelio
Iceberg is becoming the default table format for the warehouses Looker sits on: BigLake managed tables in BigQuery, Iceberg tables in Snowflake, and Unity Catalog on Databricks. This tutorial covers how Iceberg reaches a Looker connection, how to model partitions and metadata columns in LookML, where PDTs and caching belong, and the cost traps that only show up on an open lakehouse.
Read moreSeptember 10, 2026 · Vistelio
Most Looker tuning advice assumes BigQuery. This tutorial walks through what changes when your LookML model sits on Snowflake or Databricks SQL: connection settings, temp schemas for PDTs, warehouse sizing, query killing, and the dialect-specific LookML you should be writing.
Read moreAugust 25, 2026
A native derived table is one built with explore_source, not a SQL table that happens to be ephemeral. This corrected guide shows real NDTs, derived columns, bind_filters, persistence with datagroups, when NDTs beat SQL derived tables, and when transformations belong in dbt instead.
Read more