Helpful Amazon Redshift Tutorials
September 9, 2026 · RougeWarehouse Team
A repeatable workflow for diagnosing slow Amazon Redshift queries with the SYS monitoring views, then fixing them with query priority, auto WLM query monitoring rules, concurrency scaling and RPU limits on Serverless.
Read moreSeptember 9, 2026 · RougeWarehouse Team
A hands-on Redshift security tutorial: nested roles instead of groups, row-level security driven by an entitlements table, dynamic data masking with priorities, and the datashare, materialized view and change-management gotchas.
Read moreSeptember 9, 2026 · RougeWarehouse Team
The modern Redshift transformation pattern: deduplicate the staging batch, run an idempotent MERGE for Type 1 upserts, build slowly changing dimensions with history, and keep merges fast.
Read moreSeptember 9, 2026 · RougeWarehouse Team
A practical guide to Redshift materialized views: what qualifies for incremental refresh, how auto-refresh and automated materialized views behave, refreshing MVs over external and streaming data, monitoring staleness with SVV_MV_INFO and SYS views, and when a dbt table model is the better answer.
Read moreSeptember 9, 2026 · RougeWarehouse Team
How to query Amazon RDS and Aurora PostgreSQL/MySQL directly from Amazon Redshift: Secrets Manager and IAM setup, CREATE EXTERNAL SCHEMA, what actually gets pushed down, monitoring with SVL_FEDERATED_QUERY, and when to use federated query instead of zero-ETL or Spectrum.
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