CONNECT=> 'dbi:SQLite:dbname=file:memory:?mode=memory&cache=shared'
19456 Jul 24 23:15 file:memory:?mode=memory&cache=shared

CONNECT=> 'dbi:SQLite:dbname=:memory:?cache=shared'
19456 Jul 24 23:18 :memory:?cache=shared

CONNECT=> 'dbi:SQLite:dbname=:memory:\?cache=shared'
19456 Jul 24 23:19 :memory:\?cache=shared

CONNECT=> 'dbi:SQLite:dbname=:memory:cache=shared'
19456 Jul 24 23:20 :memory:cache=shared

CONNECT=> 'dbi:SQLite:dbname=:memory?cache=shared:'
19456 Jul 24 23:21 :memory?cache=shared: