INSERT, and get the auto-incremented value

Question

Consider the following table:

create table language (
    id integer generated always as identity (START WITH 1, INCREMENT BY 1),
    name long varchar,
             


        

Answer 1

You use the JDBC method

st.execute(sql, Statement.RETURN_GENERATED_KEYS);
ResultSet keys = st.getGeneratedKeys();

as documented in the Derby manual.

See also Javadocs: DatabaseMetaData#supportsGetGeneratedKeys() and Statement#getGeneratedKeys()