--- title: "#data-validation articles | Hashnode" description: "Explore 49 articles tagged #data-validation on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/data-validation" --- Tag # #data-validation 49 posts · 2 followers [Lindsay Vangen](https://hashnode.com/@hvacfitter) · [Oct 28](https://hashnode.com/posts/16x25x1-isn-t-16-by-25-parsing-and-validating-hvac-air-filter-sizes-in-python/6ae249222ea09f08d5046612) ### [16x25x1 Isn't 16 by 25: Parsing and Validating HVAC Air Filter Sizes in Python](https://hvacfitter.hashnode.dev/16x25x1-isn-t-16-by-25-parsing-and-validating-hvac-air-filter-sizes-in-python?utm_source=hashnode&utm_medium=feed) Nominal vs actual sizes, order-insensitive matching and depth checks. 5 min read · [hvacfitter.hashnode.dev](https://hvacfitter.hashnode.dev/16x25x1-isn-t-16-by-25-parsing-and-validating-hvac-air-filter-sizes-in-python?utm_source=hashnode&utm_medium=feed) [Corpable](https://hashnode.com/@corpablehk) · [Oct 11](https://hashnode.com/posts/turning-messy-b2b-quote-request-emails-into-validated-json-before-any-ai-touches-them/6acaee1920021ea13f5fd9d6) ### [Turning Messy B2B Quote-Request Emails into Validated JSON Before Any AI Touches Them](https://corpablehk.hashnode.dev/turning-messy-b2b-quote-request-emails-into-validated-json-before-any-ai-touches-them?utm_source=hashnode&utm_medium=feed) Most teams that add an AI assistant to their sales inbox start at the wrong end. They wire a model to "read the email and write a reply", then spend weeks patching weird outputs. In B2B export sales, 6 min read · [corpablehk.hashnode.dev](https://corpablehk.hashnode.dev/turning-messy-b2b-quote-request-emails-into-validated-json-before-any-ai-touches-them?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/turning-messy-b2b-quote-request-emails-into-validated-json-before-any-ai-touches-them/6acaee1920021ea13f5fd9d6) [xianyu](https://hashnode.com/@luxianyu) · [Oct 8](https://hashnode.com/posts/how-to-test-a-pok-mon-type-calculator-without-copying-its-own-logic/6ac81db3bea8e5b85c0c2957) ### [How to Test a Pokémon Type Calculator Without Copying Its Own Logic](https://tool-verification-notes.hashnode.dev/how-to-test-a-pok-mon-type-calculator-without-copying-its-own-logic?utm_source=hashnode&utm_medium=feed) Build an independent oracle and exhaustive tests for a modern main-series Pokémon type calculator without copying production logic. 6 min read · [tool-verification-notes.hashnode.dev](https://tool-verification-notes.hashnode.dev/how-to-test-a-pok-mon-type-calculator-without-copying-its-own-logic?utm_source=hashnode&utm_medium=feed) [vikas sharma](https://hashnode.com/@vikasty) · [Sep 7](https://hashnode.com/posts/data-migration-strategy-designing-a-reliable-roadmap-for-database-modernization/6a9e6132e14c583e4d816764) ### [Data Migration Strategy: Designing a Reliable Roadmap for Database Modernization](https://vkdigiservices.hashnode.dev/data-migration-strategy-designing-a-reliable-roadmap-for-database-modernization?utm_source=hashnode&utm_medium=feed) How organizations can prepare data, manage dependencies, validate workloads, and reduce risk during a cloud database transition 4 min read · [vkdigiservices.hashnode.dev](https://vkdigiservices.hashnode.dev/data-migration-strategy-designing-a-reliable-roadmap-for-database-modernization?utm_source=hashnode&utm_medium=feed) [Mikuz](https://hashnode.com/@kapusto) · [Aug 18](https://hashnode.com/posts/essential-capabilities-for-modern-data-validation-platforms/6a843b98f70d4924a8d0af2b) ### [Essential Capabilities for Modern Data Validation Platforms](https://mikuz.hashnode.dev/essential-capabilities-for-modern-data-validation-platforms?utm_source=hashnode&utm_medium=feed) Data validation has evolved from a routine quality check into a mission-critical function for organizations leveraging AI and automated systems. Unlike traditional workflows where analysts could spot 8 min read · [mikuz.hashnode.dev](https://mikuz.hashnode.dev/essential-capabilities-for-modern-data-validation-platforms?utm_source=hashnode&utm_medium=feed) [Mikuz](https://hashnode.com/@kapusto) · [Aug 6](https://hashnode.com/posts/data-quality-automation-scaling-reliable-data-validation-across-modern-pipelines/6a74f312bb5dbd886514ee57) ### [Data Quality Automation: Scaling Reliable Data Validation Across Modern Pipelines](https://mikuz.hashnode.dev/data-quality-automation-scaling-reliable-data-validation-across-modern-pipelines?utm_source=hashnode&utm_medium=feed) Manual validation scripts cannot handle enterprise-scale data operations. Organizations processing massive data volumes through complex pipeline networks face a fundamental problem: script-based check 8 min read · [mikuz.hashnode.dev](https://mikuz.hashnode.dev/data-quality-automation-scaling-reliable-data-validation-across-modern-pipelines?utm_source=hashnode&utm_medium=feed) [SapotaCorp](https://hashnode.com/@sapotacorpvn) · [Jul 12](https://hashnode.com/posts/data-quality-gates-between-bronze-and-silver-where-bad-data-should-die/6a53c43fc3b619f075b827e1) ### [Data quality gates between Bronze and Silver: where bad data should die](https://sapotacorpvn.hashnode.dev/data-quality-gates-between-bronze-and-silver-where-bad-data-should-die?utm_source=hashnode&utm_medium=feed) When you ingest financial data from dozens of sources, the spec and the actual files disagree more often than they agree. One source's "balance" is the total, another's is only what is current; one reports aging as a percentage, another as 7 min read · [sapotacorpvn.hashnode.dev](https://sapotacorpvn.hashnode.dev/data-quality-gates-between-bronze-and-silver-where-bad-data-should-die?utm_source=hashnode&utm_medium=feed) [nexmindbusiness](https://hashnode.com/@nexmind) · [May 3](https://hashnode.com/posts/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production-1/69f762f3c868b21ebea57fbc) ### [How to Validate 1 Billion Rows of Migrated Data Without Breaking Production](https://nexmind3.hashnode.dev/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production-1?utm_source=hashnode&utm_medium=feed) How to Validate 1 Billion Rows of Migrated Data Without Breaking Production Meta description: Learn how to validate large datasets after migration without disrupting production, using data validation techniques and tools. Tags: data migration, data v... 5 min read · [nexmind3.hashnode.dev](https://nexmind3.hashnode.dev/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production-1?utm_source=hashnode&utm_medium=feed) [nexmindbusiness](https://hashnode.com/@nexmind) · [Apr 24](https://hashnode.com/posts/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production/69eb7767ecff3dc4b122a1b4) ### [How to Validate 1 Billion Rows of Migrated Data Without Breaking Production](https://nexmind3.hashnode.dev/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production?utm_source=hashnode&utm_medium=feed) How to Validate 1 Billion Rows of Migrated Data Without Breaking Production Meta description: Learn how to validate large datasets after migration without disrupting production, using data validation techniques and tools. Tags: data migration, data v... 5 min read · [nexmind3.hashnode.dev](https://nexmind3.hashnode.dev/how-to-validate-1-billion-rows-of-migrated-data-without-breaking-production?utm_source=hashnode&utm_medium=feed) [nexmindbusiness](https://hashnode.com/@nexmind) · [Apr 13](https://hashnode.com/posts/automate-etl-data-validation-in-minutes-no-more-1000-lines-of-sql/69dc5960d5211d8cb9e22816) ### [Automate ETL Data Validation in Minutes: No More 1000 Lines of SQL](https://nexmind3.hashnode.dev/automate-etl-data-validation-in-minutes-no-more-1000-lines-of-sql?utm_source=hashnode&utm_medium=feed) Automate ETL Data Validation in Minutes: No More 1000 Lines of SQL Meta description: Simplify ETL data validation with automation scripts, reducing manual effort and SQL code. Tags: ETL, data validation, automation, SQL, data quality Estimated read t... 4 min read · [nexmind3.hashnode.dev](https://nexmind3.hashnode.dev/automate-etl-data-validation-in-minutes-no-more-1000-lines-of-sql?utm_source=hashnode&utm_medium=feed)