You can use XnView to transform Windows picture thumbnail database (*.db) to PDF. Open XnView → Double click on .db file → Click on File menu → Save as... → file format: Portable Document Format → Click on Save button.
Found 2 different conversion types using the same filename extensions.
Conversion db to pdf type 1:
Convert from Corel Paradox database to Adobe Portable document format.
Microsoft Windows software - convert db to pdf on Windows
Corel Quattro Pro is spreadsheet application distributed as a part of Corel WordPerfect Office suite. The latest version of this application is Corel Quattro Pro X8, which is part of Corel WordPerfect Office X8 suite.
File type (from-> to)
Convert from db file
Corel Paradox database
|Yes, Corel Quattro Pro supports db file conversion as a source file type.||Yes||Yes||db editor||Yes||No||No||No|
to pdf file
Adobe Portable document format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned db to pdf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Conversion db to pdf type 2:
Convert from Database to Adobe Portable document format.
Multiplatform software - convert db to pdf on any platform
SQLiteStudio is cross-platform SQLite database manager with intuitive interface. It is able to export SQLite databases to various formats (SQL statements, CSV, HTML, XML, PDF, JSON).