1. .db – Database File
2. .dta – Stata Data File
3. .mdb – Microsoft Access Database File
4. .accdb – Microsoft Access 2007 Database File
5. .sql – Structured Query Language Data File
6. .frm – MySQL Database Format File
7. .myd – MySQL Database Data File
8. .sqlite – SQLite Database File
9. .fdb – Firebird Database File
10. .gdb – InterBase Database File
11. .sdf – SQL Server Compact Edition Database File
12. .odb – OpenOffice.org Database File
13. .xml – XML Database File
14. .odf – OpenDocument Flat XML Database File
15. .sqlite3 – SQLite 3 Database File
16. .accde – Microsoft Access Execute-Only Database File
17. .accdr – Microsoft Access Runtime Application File
18. .sqlitedb – SQLite Database File
19. .dbf – dBase Database File
20. .db3 – SQLite 3 Database File
