{"id":"PostgreSQL","title":"PostgreSQL License","reviewed_on":"2026-09-15","reviewer":"Giray Havur","text_source":"https://raw.githubusercontent.com/spdx/license-list-data/main/text/PostgreSQL.txt","text_retrieved":true,"verdict":"created","summary":"The record models the PostgreSQL license, which is the modern MIT variant with the copyright lines of the project. Use, copying, modification and distribution are permitted for any purpose without fee and without a written agreement, on the condition that the copyright notice and the two following paragraphs appear in all copies.","findings":[{"rubric":3,"severity":"major","field":"odrl:permission","description":"The grant reads: \"Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted\". The record permits reproduce, distribute, modify, derive, display, present, commercial use, derivative works and modified works. Sublicensing is not named.","action":"applied"},{"rubric":5,"severity":"major","field":"odrl:duty","description":"The condition is that the copyright notice and the two disclaimer paragraphs appear in all copies: cc:Attribution and cc:Notice on distribute, modify and derive.","action":"applied"},{"rubric":4,"severity":"major","field":"odrl:prohibition","description":"dalicc:ChangeLicense is prohibited because the text requires the license itself to travel with every copy, which is the reading IscLicense and BSD-3-Clause take of the same clause. The MIT record does not carry the prohibition although its text has the same requirement, so the library is not uniform here. (Corrected on 2026-09-15 by the verification pass: see the rubric 3 finding on relicensing below.)","action":"applied"},{"rubric":6,"severity":"minor","field":"dalicc:WarrantyDisclaimer","description":"The liability paragraph comes first in the text and the warranty paragraph second; each is quoted into its own field.","action":"applied"},{"rubric":7,"severity":"info","field":"cc:jurisdiction","description":"The text names no legal system and no term, so cc:jurisdiction is dalicc:worldwide and dalicc:validityType is dalicc:perpetual.","action":"none"},{"rubric":2,"severity":"info","field":"odrl:target","description":"One odrl:AssetCollection of dct:type dcmitype:Software, following IscLicense. The text licenses software and its documentation.","action":"applied"},{"rubric":9,"severity":"info","field":"record","description":"The consistency check with the axioms of dg_default returned no conflicts.","action":"none"},{"rubric":10,"severity":"info","field":"record","description":"The deontic model is identical to MIT-Modern-Variant, whose wording this text follows. The two records differ only in the parties named in the clause texts, which is why both exist as SPDX ids.","action":"none"},{"rubric":3,"severity":"major","field":"odrl:permission","description":"Library convention 15: a licence that asks for no reciprocity and no source code asks only that the notice travels with the copy, which is a duty on the acts it governs and not a bar on putting the copy under other terms. dalicc:ChangeLicense is therefore a permission here, and the prohibition the earlier reading wrote is removed. The text reads: \"Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted, provided that the above copyright notice and this paragraph and the following two paragraphs appear in all copies.\" The permission carries the dalicc:compliantLicense duty, as Apache-2.0 does, because the notice has to survive the relicensing.","action":"applied"}],"family":"Permissive: MIT, ISC and BSD-like","port_of":null,"variant_kind":null,"notes":"Modelled from the SPDX plain text. dct:publisher names the PostgreSQL Global Development Group, which stewards the license and the project."}