{
 "id": "mysql-table-definition-format",
 "name": "MySQL Table Definition Format",
 "category": "database",
 "identifiers": {
  "extensions": [
   "frm"
  ],
  "puid": [
   "fmt/868"
  ],
  "wikidata": [
   "Q59653966"
  ],
  "loc_fdd": [
   "fdd000623"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "fe01",
    "notes": "MySQL FRM"
   }
  ],
  "signatures": [
   {
    "name": "MySQL FRM",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "fe01{3}00{21}02{13}000000000000"
     }
    ]
   }
  ],
  "priority_over": [
   "x-fmt/367"
  ]
 },
 "status": "writable",
 "summary": "Every MySQL table is represented on disk by a .frm file that describes the table's format (that is, the table definition). The file bears the same name as the table, with an .frm extension.",
 "tools": [
  {
   "name": "MySQL",
   "url": "https://www.mysql.com/",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License, version 2.0 / proprietary license",
   "open_source": true
  },
  {
   "name": "PhotoRec",
   "url": "http://www.cgsecurity.org/wiki/PhotoRec",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/868",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/868",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q59653966",
   "url": "https://www.wikidata.org/wiki/Q59653966",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "mysql"
}