drop table if exists t1; CREATE TABLE t1 (a INT); EXPLAIN SELECT * INTO OUTFILE '/tmp/t1.txt' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY '\r\n' FROM t1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 system NULL NULL NULL NULL 0 const row not found DROP TABLE t1;