Helpful Looker Tutorials
September 18, 2026 · Vistelio
Merged Results, cross-database joins, and modeled alternatives all promise to combine data from two Looker Explores or two warehouses. They behave very differently. This tutorial shows how each one actually executes, where the numbers go wrong, and a decision path for choosing between them.
Read moreSeptember 17, 2026 · Vistelio
A practical tutorial on building maps in Looker: the location, zipcode and region dimension types, distance measures, map_layer and custom TopoJSON layers, BigQuery GEOGRAPHY columns, and the performance and permission traps that make Looker maps slow or blank.
Read moreSeptember 16, 2026
A practical guide to drill design in LookML: drill_fields on dimensions and measures, drill sets, controlling the drill overlay with link and html, Liquid-powered drill menus, drill_fields on explores and dashboards, and how to keep drills fast and permission-safe.
Read moreSeptember 15, 2026 · Vistelio
A practical tutorial on LookML localization: locale_data strings files, localization_settings, locale-aware labels and descriptions, translating LookML dashboards, driving locale from user attributes for embedded analytics, and the governance habits that keep translations from rotting.
Read moreSeptember 14, 2026 · Vistelio
Most Looker models join dimensions as if attributes never change. They do. This tutorial shows how to model SCD Type 2 history in LookML, build valid-from/valid-to joins, expose both 'as-was' and 'as-is' views of the same dimension, and keep performance sane on BigQuery.
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