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SQL Anywhere uses consistent file naming conventions to help identify and group system components.
These conventions include:
Version number The SQL Anywhere version number is indicated in the file name of the main server components (executable files, dynamic link libraries, shared objects, license files, and so on).
For example, the file dbeng10.exe is a version 10 executable for Windows.
Language The language used in a language resource library is indicated by a two-letter code within its file name. The two characters before the version number indicate the language used in the library. For example, dblgen10.dll is the message resource library for the English language. These two-letter codes are specified by ISO standard 639.
For more information about language labels, see Language Selection utility (dblang).
For a list of the languages available in SQL Anywhere, see Localized versions of SQL Anywhere.
The following table identifies the platform and function of SQL Anywhere files according to their file extension. SQL Anywhere follows standard file extension conventions where possible.
| File extension | Platform | File type |
|---|---|---|
| .bat, .cmd | Windows | Command files |
| .chm, .chw | Windows | Help system file |
| .dll | Windows | Dynamic Link Library |
| .exe | Windows | Executable file |
| .ini | All | Initialization file |
| .lic | All | License file |
| .lib | Varies by development tool | Static runtime libraries for the creation of embedded SQL executables |
| .nlm | Novell NetWare | NetWare Loadable Module |
| .res | NetWare, Linux/Unix, Mac OS X | Language resource file for non-Windows environments |
| .so, .sl,.a | Linux/Unix | Shared object or shared library file. The equivalent of a Windows DLL |
| .bundle, .dylib | Mac OS X | Shared object file. The equivalent of a Windows DLL |
SQL Anywhere databases are composed of two elements:
Database file This is used to store information in an organized format. By default, this file uses a .db file extension. There may also be additional dbspace files. These files could have any file extension including none.
Transaction log file This is used to record all changes made to data stored in the database file. By default, this file uses a .log file extension, and is generated by SQL Anywhere if no such file exists and a log file is specified to be used. A mirrored transaction log has the default extension of .mlg.
These files are updated, maintained and managed by the SQL Anywhere relational database management system.