.db
文件类型1：X-Ray Engine Database
文件说明：
Database containing objects and other information used in games developed with the X-Ray Engine; used by S.T.A.L.K.E.R.: Clear Sky, S.T.A.L.K.E.R.: Shadow of Chernobyl, and other GSC Game World games; similar to .GCF files used by Valve-based games.NOTE:
X-Ray Engine Database files may also use the extensions .db0, .db1, .db2, .dba, .dbb, .dbc, etc.打开.db文件
Mac OS
Windows
S.T.A.L.K.E.R. Data UnpackerLinux
其它内容
.db
文件类型2：Windows Thumbnail Cache
文件说明：
Cache of thumbnail images that represent larger images in a Windows folder; stores small versions of images stored in a folder for quicker browsing; typically not seen unless the Show invisible files option is checked within the Windows view options.Windows Thumbnail Cache files are named
Thumbs.db
by default; for more information about Windows Thumbs.db files, including how to prevent them from being created, follow these instructions.打开.db文件
Mac OS
Windows
Microsoft Windows ExplorerLinux
.db
文件类型3：Database File
文件说明：
Generic database file that stores data in a structured format, typically with an arrangement of tables, table fields, field data types, and field values; can be created by various database programs and exported into different formats, such as .CSV files; may also be imported by multiple database programs.打开.db文件
Mac OS
Windows
Microsoft Access 2007Corel Paradox
Synopsys Design Compiler
Linux
来源：. db文件