fix: replace flaky link with archive.org

content/posts/2022-07-30-sql_convention.md

@@ -1,8 +1,5 @@
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 title: SQL is a convention
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 SQL is a convention.
@@ -15,7 +12,7 @@ I'd like to see more cross-RDBMS comparisons and collections of tests to make de
 To that end, I've started [a project comparing `information_schema` implementations][i.s.compat.table] and another project collecting [sql parser tests][sql_parser_tests].
 Feel free to send me links to sample databases and other permissively-copyrighted SQL test suites!
 
-[iso-9075]: https://blog.ansi.org/2018/10/sql-standard-iso-iec-9075-2016-ansi-x3-135/
+[iso-9075]: https://web.archive.org/web/20240225123416/https://blog.ansi.org/sql-standard-iso-iec-9075-2023-ansi-x3-135/
 [standardization-history]: https://en.wikipedia.org/wiki/SQL#Standardization_history
 [i.s.compat.table]: https://github.com/i-s-compat-table/
 [sql_parser_tests]: https://github.com/skalt/sql_parser_tests