which database language is the most popular one in Android app?

Question

hi everybody,I am a student,I want to know which database language is the most popular one in Android app?up to now,I have learned java,I am interested in programming,recently,I want to build a more interesting app,so I want choose one database language to learn.
My English skill is bad.

Answer 1

first of all, android database name is Sqlite which uses SQL.
SQL is a famous language for all popular databases such as Oracle and MySQL.

Answer 2

thank you very much!