 relational databases antey emti 
 relational databases anede  1970 loo  E.F.  cod pratipaadinchinatlugaa ,  deetaa yokka relational modal aadhaaramga  ( athantha saadharanamga digitally )  databases .  relational databases ‌ lanu nirvahinchadaaniki upayoegimchae sistom relational databases manage ‌ ment sistom  (RDBMS).  anek relational databases sistom ‌ lu databases ‌ nu prasninchadam mariyu naveekarinchadam choose  SQL ( structured kwery longuage ) ni upayoegimchae empikanu kaligi untai .
 relational databases ‌ lu deetaanu addu varusalu  &  niluvu varusalalo mariyu pattika akrutilo nilwa cheyadanki roopondinchabadina relational deetaa modal ‌ lapai aadhaarapadi untai . RDBMS  dani  SQL ( structured kwery longuage ) ki prassiddhi chendhindhi mariyu edaina teck stoke ‌ ku saripottundi . RDBMS  anede ekkuvaga lavadevila viniyoga cases choose uddeshinchabadindhi ,  millisekanlalo deetaanu prosess cheeyagala saamarthyamtho  OLTP. MySQL, Postgres, AuroraDB  modalaina anek  RDMBS lu andubatulo unnayi .