domain | learnsqlonline.org |
summary | SQL is a versatile language used for constructing long-running data pipelines and processing data for business purposes. Spark utilizes SQL syntax to create data pipelines that process large amounts of data, turning it into useful insights or generating new data from existing data. Key SQL features include selecting data, creating tables, inserting rows, updating rows, deleting rows, joining tables, grouping by, applying aggregate functions, using the HAVING statement, and performing distinct queries while ordering results. |
title | Learn SQL - Free Interactive SQL Tutorial |
description | learnsqlonline.org is a free interactive SQL tutorial for people who want to learn SQL, fast. |
keywords | data, tutorials, world, rows, tables, hello, statement, more, tutorial, science, start, code, click, welcome, business, functions, insert |
upstreams |
learn-c.org |
downstreams |
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nslookup | A 162.159.140.98, A 172.66.0.96 |
created | 2024-11-30 |
updated | 2025-04-04 |
summarized | 2025-04-04 |
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