###################
mysql> checksum table t1;
+---------+-----------+
| Table | Checksum |
+---------+-----------+
| test.t1 | 372885777 |
+---------+-----------+
1 row in set (0.00 sec)
mysql> select * from t1;
+------+
| a1 |
+------+
| 3 |
| 3 |
| 4 |
| 6 |
+------+
4 rows in set (0.00 sec)
mysql> delete from t1 where a1=3;
Query OK, 2 rows affected (0.01 sec)
mysql> checksum table t1;
+---------+------------+
| Table | Checksum |
+---------+------------+
| test.t1 | 1305620691 |
+---------+------------+
1 row in set (0.00 sec)
