Store PDF files in SQLite BLOB

PDF files can be stored as SQLite BLOB data.

CREATE TABLE documents (
id INTEGER PRIMARY KEY,
title VARCHAR(255) NOT NULL,
data BLOB NOT NULL
);

DBBlobEditor can help you to store PDF files as SQLite BLOB data:

View PDF stored in SQLite BLOB field

Batch import pdf files into SQLite BLOB

Batch export SQLite BLOB to PDF files