For the small files, you can try below code:
var fileInsertSQL = "insert ignore into File(id, content, creationTime) values(?,?,?)";
db.query(fileInsertSQL, ["id1", fs.readFileSync(filepath), new Date().getTime()], function (err, dbRes) {
if(err){
console.error(err);
} else {
//Do something
}
})