 cassandra databases antey emti ?
 cassandra anede uchita mariyu open - sorse ,  pampinhii cheyabadina ,  wied - callum store , NoSQL  databases manage ‌ ment sistom ,  idi anek vasthuvula sarvar ‌ lalo peddha motthamloo deetaanu nirvahinchadaaniki ruupomdimchabadimdi ,  e okka paayint vaiphalyam lekunda adhika labhyatanu andistundi .