{"id":49876649,"url":"https://github.com/occamist/turing-machine-in-sql","last_synced_at":"2026-05-15T12:39:00.722Z","repository":{"id":280761122,"uuid":"942958814","full_name":"occamist/turing-machine-in-sql","owner":"occamist","description":"Turing Machine Simulation in SQL with less than 200 lines 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language\"\n\n![palindrome-state-diagram](./palindrome-state-diagram.png)\n\n```mermaid\nstateDiagram-v2\n    [*] --\u003e q0\n    \n    q0 --\u003e q1: 0 / _, R\n    q0 --\u003e q2: 1 / _, R\n    q0 --\u003e yes: _ / _, N\n    \n    q1 --\u003e q1: 0 / 0, R\n    q1 --\u003e q1: 1 / 1, R\n    q1 --\u003e q3: _ / _, L\n    \n    q2 --\u003e q2: 0 / 0, R\n    q2 --\u003e q2: 1 / 1, R\n    q2 --\u003e q4: _ / _, L\n    \n    q3 --\u003e q5: 0 / _, L\n    q3 --\u003e no: 1 / 1, N\n    q3 --\u003e yes: _ / _, N\n    \n    q4 --\u003e q5: 1 / _, L\n    q4 --\u003e no: 0 / 0, N\n    q4 --\u003e yes: _ / _, N\n    \n    q5 --\u003e q5: 0 / 0, L\n    q5 --\u003e q5: 1 / 1, L\n    q5 --\u003e q0: _ / _, R\n    \n    yes --\u003e [*]: Accepted\n    no --\u003e [*]: Rejected\n```\n\n### Getting started\n\n```shell\n  $ git clone https://github.com/occamist/turing-machine-in-sql\n  $ docker compose up -d --build\n  $ docker exec -it postgres-turing psql -U turing -d turing_machine\n  turing_machine=# select * FROM machine_steps;\n  turing_machine=# call run_palindrome_program('1001');\n  turing_machine=# select * FROM machine_steps;\n```\n\nThe original blog post can be found [here](https://occamist.dev/posts/sql-turing-completeness)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Foccamist%2Fturing-machine-in-sql","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Foccamist%2Fturing-machine-in-sql","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Foccamist%2Fturing-machine-in-sql/lists"}