--- title: "#data-modeling articles | Hashnode" description: "Explore 160 articles tagged #data-modeling on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/data-modeling" --- Tag # #data-modeling 160 posts · 13 followers [TechnoXander](https://hashnode.com/@technoxander47) · [6d ago](https://hashnode.com/posts/a-status-model-for-case-decisions-active-superseded-withdrawn/6aec2be593042a4441f4c05a) ### [A Status Model for Case Decisions: Active, Superseded, Withdrawn](https://technoxander.hashnode.dev/a-status-model-for-case-decisions-active-superseded-withdrawn?utm_source=hashnode&utm_medium=feed) If you store case decisions for reuse, give each one a status, or old conclusions will quietly act as current ones. Here is a small model. Three statuses Active. Reviewed, in scope and safe to cite a 2 min read · [technoxander.hashnode.dev](https://technoxander.hashnode.dev/a-status-model-for-case-decisions-active-superseded-withdrawn?utm_source=hashnode&utm_medium=feed) [Waqas Ahmed](https://hashnode.com/@waqas5144) · [Nov 4](https://hashnode.com/posts/three-property-edits-and-the-data-model-behind-an-honest-comparison/6aeb0580b5697978cd4565e6) ### [Three Property Edits and the Data Model Behind an Honest Comparison](https://estateaiinsights.hashnode.dev/three-property-edits-and-the-data-model-behind-an-honest-comparison?utm_source=hashnode&utm_medium=feed) Three client property edits show how to preserve image provenance, disclose AI changes, and design clearer comparison and approval workflows. 5 min read · [estateaiinsights.hashnode.dev](https://estateaiinsights.hashnode.dev/three-property-edits-and-the-data-model-behind-an-honest-comparison?utm_source=hashnode&utm_medium=feed) [JC TechLabs](https://hashnode.com/@jctechlabs) · [Nov 4](https://hashnode.com/posts/fake-review-removal-evidence-first-tracker/6aeae9ccbfad05babf478333) ### [Evidence first: designing a review-concern tracker that never promises removal](https://jctechlabs.hashnode.dev/fake-review-removal-evidence-first-tracker?utm_source=hashnode&utm_medium=feed) A practical data model for monitoring suspicious reviews, organising evidence and reporting honestly on outcomes you don't control. 5 min read · [jctechlabs.hashnode.dev](https://jctechlabs.hashnode.dev/fake-review-removal-evidence-first-tracker?utm_source=hashnode&utm_medium=feed) [VASP Tracker](https://hashnode.com/@vasptracker) · [Nov 3](https://hashnode.com/posts/legal-deadlines-are-expressions-not-dates-modelling-crypto-licensing-clocks-in-python/6ae94cc61babfe37ef2524ee) ### [Legal deadlines are expressions, not dates: modelling crypto licensing clocks in Python](https://vasptracker.hashnode.dev/legal-deadlines-are-expressions-not-dates-modelling-crypto-licensing-clocks-in-python?utm_source=hashnode&utm_medium=feed) Japan, Brazil, Kenya and Taiwan count time differently. Store the rule and the anchor, not just the answer 7 min read · [vasptracker.hashnode.dev](https://vasptracker.hashnode.dev/legal-deadlines-are-expressions-not-dates-modelling-crypto-licensing-clocks-in-python?utm_source=hashnode&utm_medium=feed) [srkhan2809](https://hashnode.com/@shahida-khan) · [Nov 2](https://hashnode.com/posts/data-modeling-principal-engineer-guide/6aedb978ee7a0111f6da72a1) ### [Data Modeling Explained: A Principal Engineer's Guide](https://core-de-platform.hashnode.dev/data-modeling-principal-engineer-guide?utm_source=hashnode&utm_medium=feed) Learn how data modeling works, explore its major types, trade-offs, real-world examples, and how Principal Engineers choose the right model. 24 min read · [core-de-platform.hashnode.dev](https://core-de-platform.hashnode.dev/data-modeling-principal-engineer-guide?utm_source=hashnode&utm_medium=feed) [Zenith Eclipse Co](https://hashnode.com/@zenitheclipse) · [Oct 30](https://hashnode.com/posts/commodity-packaging-conversions-versioned-count-mass/6ae4528459e88b4f239977c2) ### [A Bag Is Not a Unit of Mass: Version Packaging Conversions in Commodity Inventory](https://zenitheclipse.hashnode.dev/commodity-packaging-conversions-versioned-count-mass?utm_source=hashnode&utm_medium=feed) Keep package counts, nominal mass and measured mass distinct with immutable pack definitions and exact conversion checks. 4 min read · [zenitheclipse.hashnode.dev](https://zenitheclipse.hashnode.dev/commodity-packaging-conversions-versioned-count-mass?utm_source=hashnode&utm_medium=feed) [Zenith Eclipse Co](https://hashnode.com/@zenitheclipse) · [Oct 29](https://hashnode.com/posts/equipment-manual-applicability-configuration-matching/6ae3072ac18d2468e4105b8d) ### [The Newest Equipment Manual May Be Wrong for the Installed Configuration](https://zenitheclipse.hashnode.dev/equipment-manual-applicability-configuration-matching?utm_source=hashnode&utm_medium=feed) Build a manual resolver that matches equipment configuration and explicit applicability instead of selecting the newest uploaded PDF. 4 min read · [zenitheclipse.hashnode.dev](https://zenitheclipse.hashnode.dev/equipment-manual-applicability-configuration-matching?utm_source=hashnode&utm_medium=feed) [Zenith Eclipse Co](https://hashnode.com/@zenitheclipse) · [Oct 29](https://hashnode.com/posts/supplier-approval-valid-time-recorded-time/6ae306eabbb7f8db51be16eb) ### [Was the Supplier Approved Then? Query Valid Time and Recorded Time Separately](https://zenitheclipse.hashnode.dev/supplier-approval-valid-time-recorded-time?utm_source=hashnode&utm_medium=feed) Model supplier-approval history with two time axes so corrections do not erase what a procurement system knew when an order was reviewed. 4 min read · [zenitheclipse.hashnode.dev](https://zenitheclipse.hashnode.dev/supplier-approval-valid-time-recorded-time?utm_source=hashnode&utm_medium=feed) [Zenith Eclipse Co](https://hashnode.com/@zenitheclipse) · [Oct 28](https://hashnode.com/posts/commodity-specification-decimals-display-rounding/6ae1b5c923519e944358c2fa) ### [Do Not Let Display Rounding Decide a Commodity Specification Check](https://zenitheclipse.hashnode.dev/commodity-specification-decimals-display-rounding?utm_source=hashnode&utm_medium=feed) Implement explicit decimal comparisons for commodity specifications while preserving raw values, reporting basis and decision rules. 4 min read · [zenitheclipse.hashnode.dev](https://zenitheclipse.hashnode.dev/commodity-specification-decimals-display-rounding?utm_source=hashnode&utm_medium=feed) [Cruxtab Technologies Pvt. Ltd.](https://hashnode.com/@cruxtab) · [Oct 27](https://hashnode.com/posts/displaying-matrix-and-product-answers-in-a-form-submission-viewer/6ae08db0899fe4c53cdf467d) ### [Displaying Matrix and Product Answers in a Form Submission Viewer](https://cruxtab-technologies.hashnode.dev/displaying-matrix-and-product-answers-in-a-form-submission-viewer?utm_source=hashnode&utm_medium=feed) Learn how to render matrix and product answers in a form submission detail page while preserving structure, context, and historical meaning. 3 min read · [cruxtab-technologies.hashnode.dev](https://cruxtab-technologies.hashnode.dev/displaying-matrix-and-product-answers-in-a-form-submission-viewer?utm_source=hashnode&utm_medium=feed)