1
DROP TABLE IF EXISTS t1, t2;
2
CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
3
SELECT COUNT(*) FROM t1;
4
COUNT(*)
5
4181000
6
SELECT COUNT(DISTINCT id) FROM t1 GROUP BY grp;
7
DROP TABLE t1;
8
set @@read_buffer_size=default;
Loggerhead is a web-based interface for Breezy Version: 2.0.1