41 public function query($sql);
46 public function exec($sql);
48 public function fetch_array($resultQuery=NULL, $opt=
'');
53 public function close();
61 public function num_rows($result_query=NULL);
67 public function field_name($number, $resultQuery=NULL);
75 public function data_seek($number, $result_query=NULL);
85 public function error($err=
'');
107 public function insert($table, $values, $pk=
'');
114 public function update($table, $fields, $values, $where_condition=null);
121 public function delete($table, $where_condition);
123 public function limit($sql);
125 public function create_table($table, $definition, $index=array());
127 public function drop_table($table, $if_exists=
false);