This tutorial demonstrates common Delta Lake table operations using sample data. Delta Lake is the optimized storage layer that provides the foundation for tables on Databricks. Unless otherwise ...

This tutorial shows you how to configure row filter and column mask ABAC policies in Unity Catalog using SQL. For the Catalog Explorer UI-based version, see Tutorial: Configure ABAC. In this example, ...

Intermediate SQL tutorial demonstrating REGEXP for advanced filtering, IF & CASE statements to create categories, SUBQUERIES ...

DROP TABLE is a statement to delete a table. By adding IF EXISTS, it will not throw an error even if the table does not exist; it will simply issue a NOTICE and ...

For those new to data analysis, I have compiled a list of free sites where you can practice SQL, methods for setting up your own practice environment, and 10 practice problems to review the content of ...

There are a jaw-dropping 5.35 billion internet users around the world. But you’d be surprised how many people are not aware ...

Build a free 12-step tracker for the Xbox handheld release date: ROG Xbox Ally, Ally X, Ally X20 prices, restocks, and ...

Build a Python tracker for the Nintendo Switch 2 games list: scrape, dedupe, alert on new releases, and export a shareable ...

Learn how to replicate PostgreSQL to Snowflake using Estuary and CDC. Build a step-by-step pipeline that captures inserts, ...

BigQuery ObjectRef is now GA. Combine unstructured data with Gemini to build powerful multimodal analytics and conversational agents using SQL.

Google Sheets Complete Beginner's Guide: create a spreadsheet, enter and format data, use formulas, add dropdowns and filters, and share your work confidently.