Select Code to Download

SELECT COUNT(DISTINCT seq) FROM Peptide;

EXPLAIN AND DESCRIBE:
mysql> explain select count(distinct seq) from Peptide;
...
| didc   | int(11)                   |      |     | 0          |      
+          |
+--------+---------------------------+------+-----+------------+------
+----------+
12 rows in set (0.00 sec)

C:\testing\scripts>perl stat_tester.pl
Connected
DBD::mysql::db do failed: Lost connection to MySQL server during query
+ at stat_tester.pl line 54.