IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
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GCP Professional Data Engineer Certification Guide
The Professional Data Engineer exam tests design judgement more than commands. This guide sets out the facts from Google's exam page, the five sections and their weights, a table matching the product names in the exam guide to the names in today's documentation, and a way to prepare by building.
Looker and Looker Studio on GCP Explained
Google has two BI tools with similar names and different jobs. Data Studio, the new name for Looker Studio, builds self-service reports at no cost. Looker adds a central model that defines each metric once. This guide compares them and uses a real database to show the mistake a shared model prevents.
Materialized Views in BigQuery Explained
A materialized view stores the result of a query and keeps it current as the base table changes. This guide shows how BigQuery combines stored results with new rows, models it on 2.9 million real trips, and covers refresh settings, max_staleness, smart tuning, unsupported SQL and when a scheduled table is better.