Helpful Looker Tutorials
September 9, 2026 · Vistelio
A practical LookML tutorial on time: how dimension_group: time really works, the three-timezone model that decides what a "day" means, fiscal calendars with fiscal_month_offset, date-range joins, and period-over-period comparisons that survive month-end.
Read moreSeptember 9, 2026 · Vistelio
A practical guide to LookML dashboards: when to use them instead of user-defined dashboards, dashboard file syntax and the listen block, converting existing UDDs with Get LookML, extends for regional variants, and using the Content Validator as a deployment gate.
Read moreSeptember 9, 2026 · Vistelio
Most Looker instances still deploy to production the moment a developer clicks a button. This tutorial shows how to run a real Git workflow for LookML: branch naming, pull requests, protected main, Advanced Deploy Mode, deploy webhooks, and a dev-to-prod promotion path your data team can actually live with.
Read moreSeptember 9, 2026 · Vistelio
Dashboards are read-only. The Extension Framework lets you ship a real React app inside Looker: this tutorial covers scaffolding, the manifest entitlements, the API 4.0 SDK, Looker Components, safe write-back via fetchProxy and Actions, and deploying the bundle through Git.
Read moreSeptember 9, 2026 · Vistelio
A practical guide to Looker caching: datagroups, sql_trigger vs max_cache_age, persist_with on models and explores, datagroup_trigger for PDTs, ETL-driven cache invalidation through the API, and how to prove a caching policy is working.
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