db_insert

 $s->db_insert($table,\%data,[$keyfield]);

db_update_key

 $s->db_update_key($table,$keyfield,$keyid,\%data);

db_update_where

 $s->db_update_where($table,$where,\%data);

db_q

 $s->db_q($query,[$t],[%args]);

Runs given $query and optionally returns data in structure defined by $t.

Values of $t: (scalar,hash,array,keyval,hashhash,arrayhash,importfile,csv)