Código SQL [-] select RDB$GENERATOR_NAME, (select GEN_ID(RDB$GENERATOR_NAME,0) from RDB$DATABASE) as GenVal from RDB$GENERATORS where RDB$SYSTEM_FLAG is null
select RDB$GENERATOR_NAME, (select GEN_ID(RDB$GENERATOR_NAME,0) from RDB$DATABASE) as GenVal from RDB$GENERATORS where RDB$SYSTEM_FLAG is null