Definition:
SELECT
- [ALL | DISTINCT | DISTINCTROW]
SELECT
[ALL | DISTINCT | DISTINCTROW ]
[HIGH_PRIORITY] [STRAIGHT_JOIN]
[SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT]
[SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS]
_select_expr_ [, _select_expr_] ...
[_into_option_]
[FROM _table_references_
[PARTITION _partition_list_]]
[WHERE _where_condition_]
[GROUP BY {_col_name_ | _expr_ | _position_}, ... [WITH ROLLUP]]
[HAVING _where_condition_]
[WINDOW _window_name_ AS (_window_spec_)
[, _window_name_ AS (_window_spec_)] ...]
[ORDER BY {_col_name_ | _expr_ | _position_}
[ASC | DESC], ... [WITH ROLLUP]]
[LIMIT {[_offset_,] _row_count_ | _row_count_ OFFSET _offset_}]
[_into_option_] [
FOR {UPDATE | SHARE}
[OF _tbl_name_ [, _tbl_name_] ...]
[NOWAIT | SKIP LOCKED]
| LOCK IN SHARE MODE]
[_into_option_]
_into_option_: {
INTO OUTFILE '_file_name_'
[CHARACTER SET _charset_name_]
_export_options_
| INTO DUMPFILE '_file_name_'
| INTO _var_name_ [, _var_name_] ...
}