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Spark Internals Reference — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Databases →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
sqlnerds.com ↗	64 match 2 shared topics	SQLNerds - Master SQL Through Interactive Practice	en	databases	robotsllmsaihumans	emailphone	none
sqlcheat.com ↗	63 match 2 shared topics	SqlCheat.com - Master SQL with Advanced Tutorials and Interactive Playground	en	programming-languages	robotsllmsaihumans	emailphone	partial · 8
sqldoc.dev ↗	62 match 2 shared topics	sqldoc	en	databases	robots llmsaihumans	emailphone	none
sql-play.com ↗	62 match 2 shared topics	SQL-PLAY – Tips and tricks on SQL Server and not only	en	databases WordPress WooCommerce	robotsllmsaihumans	emailphone	none
sql4ds.com ↗	61 match 2 shared topics	SQL for Data Science	en	programming-languages	robotsllmsaihumans	emailphone	none
nigelrivett.co.uk ↗	61 match 2 shared topics	SQL Server development techniques and sql scripts. Author Nigel Rivett	United Kingdom en	databases	robotsllmsaihumans	emailphone	none
sqg.dev ↗	61 match 2 shared topics	Compile SQL to Type-Safe Code \| SQG	en	programming-languages	robotsllmsaihumans	emailphone	none
sqltest.net ↗	61 match 2 shared topics	SQL Test	en	databases WordPress	robotsllmsaihumans	emailphone	none
sqlfu.dev ↗	61 match 2 shared topics	sqlfu	en	databases	robots llmsaihumans	emailphone	none
allenbrowne.com ↗	61 match 2 shared topics	Allen Browne's Database and Training	en	databases	robotsllmsaihumans	emailphone	none
sqldrip.com ↗	61 match 2 shared topics	SQLDrip - Learn SQL by Writing Queries	en	programming-languages	robotsllmsaihumans	emailphone	none
sqlit.app ↗	61 match 2 shared topics	sqlit	en	programming-languages	robotsllmsaihumans	emailphone	none
sqltgen.org ↗	61 match 2 shared topics	sqltgen — Write SQL. Get type-safe code.	en	databases	robotsllmsaihumans	emailphone	none
sqlx.dev ↗	61 match 2 shared topics	The Guide to SQLx in Rust (2026) \| SQLx.dev	en	databases	robotsllmsaihumans	emailphone	none
heliorm.com ↗	61 match 2 shared topics	HeliORM \| HeliORM is a code-first object-relational model for accessing SQL data from Java. It allows compile time type safe SQL queries from Java code.	en	databases	robotsllmsaihumans	emailphone	none
learnoraclesql.com ↗	61 match 2 shared topics	Oracle Basics \| Learn Oracle SQL	en	programming-languages Weebly WooCommerce	robotsllmsaihumans	emailphone	none
learningtotest.com ↗	61 match 2 shared topics	LearningToTest – Experiences in databases, ETL, and data engineering	en	programming-languages WordPress	robotsllmsaihumans	emailphone	none
mbronikowski.com ↗	60 match 2 shared topics	Michał Bronikowski	en	databases	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.