da·ta·base 
/ˈdeɪtəˌbeɪs, ˈdætəˌbeɪs/ noun
plural da·ta·bas·es /ˈdeɪtəˌbeɪs, ˈdætəˌbeɪs/ noun [count] : a collection of pieces of information that is organized and used on a computer
▪ All of our customers' information was kept in/on a database. ▪ an online database —called also data bank
▪ All of our customers' information was kept in/on a database. ▪ an online database —called also data bank
